I have two of these:

http://www.walmart.com/ip/Great-Outdoors-Smoky-Mountain-25-Gas-Smoker/12429510

Low is about 180 degrees for me which is great for fish and you'll be able to do two large turkeys, briskets, ribs, roasts, etc. Competition smokers claim it takes a good year to properly season a smoker so give them time.
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"You learn more from losing than you do from winning." Lou Pinella