Before you can begin designing your custom gas grill enclosure you need to pick the perfect grill. Most high end gas grills come in an insert configuration that allows you to put it where you want it, but many are not a standard size so pick your grill first. Here I have listed the top ten gas grill inserts to help you find the one that is right for you. Prices can vary a lot so make sure you do some serious shopping to get as much as you can for little as possible. Updated for 2012.

R.H. Peterson CompanyFire Magic makes some very elegant gas grills that are very highly rated, especially by the people who use them. You'll also find the whole list of options available on these grills. Top quality stainless steel construction and a very good heat distribution system make these great units to grill on. This jumbo unit will grill anything you want.

Kalamazoo Outdoor GourmetKalamazoo makes some of the most fantastic grills in the world. Highest quality laser cut stainless steel make up these incredible engineering projects. This one is actually one of the more basic grills (at over $5,000USD) they make. With a wide range of accessories you can really customize your outdoor kitchen with this monster. The burners alone are worth taking a look.

Saber GrillsSaber is a new line of grills from the people that brought us Char-Broil. They use technology similar to Char-Broil, though without all the fatal flaws. Saber is separate from Char-Broil and so far seems to be well run. Saber grills are infrared, but forget about that. What this grill is, besides made completely with 304 stainless steel is a very good gas grill. It reaches the same temperatures (though not as well on the low end), has all the versatility, and performance of a good, but very regular gas grill. Add to this the fact that this grill won't flare-up and is extremely easy to use and you have the perfect grill for the person who doesn't want to hover over the fire.

Weber-Stephen Products CompanyThis built-in version of the Summit S-650 gas grill is a large, six burner unit that offers all the advantages of a Weber Summit grill in an insert unit. This insert grill is unique in size and cut out so make sure you can fit it before you buy. If you can, then this grill offers everything you would want in a custom grill, but at a more affordable price than many other similar units (this one sells around $2,500). The full rotisserie system including infrared rotisserie burner. You also get an internal smoker burner, plus there is the option of a flush mounted side burner module.

Napoleon Gourmet GrillsThis hand tooled grill is big. I mean big. The 850 square inches of primary cooking space is heated by over 100,000 BTUs. It comes with a whole host of standard features including internal lighting, full rotisserie systems and a wide range of options for your custom enclosure. Very nicely designed with great cooking abilities.

Vidalia Outdoor Products Co.The Vidalia grill is unique amongst gas grills in that it is designed as a convection oven that allows you to not only grill directly of a high, intense heat (searing) but also to indirectly cook so that this unit can smoke, broil, bake, roast, and much more. This unit has two 40,000 BTU stainless steel (304) burner. Air is drawn in under this burner when it then circulates through the direct grilling portion, across the indirect area, then down and out through the other side of the grill.

Twin Eagles Inc.The company Twin Eagles was put together by a veteran of the gas grill industry (actually more like a legend). Anyway, this grill is beautifully built with an incredible attention to detail. The engineering and precision make it truly one of the best gas grills on the market. Details like the hexagonal cooking grates that give you better surface contact to better searing are just one of the many excellent features of this unit

Dynamic Cooking SystemsThis is a beautiful grill with everything. While smaller in size it still offers everything including a full rotisserie unit, advanced ignition system, independent smoker tray and 3 25,000 BTU burners. It is also very cool to look at. The finish on this stainless steel grill is beautiful, but this is a serious grill that cooks good enough for the pros.

Lynx Professional GrillsAt the heart of every Lynx Gas Grill is a heavy duty solid cast brass burner that comes with a lifetime guarantee. This unit has 2 of these burners at 25,000 BTU’s each. It also comes standard with a two position rotisserie that can accommodate 65 pounds. You’ll also find an internal light so you can grill in the dark. Lynx makes some of the best grills on the market.

Thermal Engineering CorporationInfrared Grilling at its best from the people who invented the technology. This unit has 555 square inches of primary cooking area with three infrared cooking zones. It also comes standard with a 60-pound capacity rotisserie kit, so you can cook that whole hog that's been taking up space in the freezer. Total 18-gauge 304 stainless steel construction that has storage space and good sized side tables. This is the grill for high temperature grilling using the latest in infrared technology.