Smokers under $500: 22.5" WSM
Under $1,000: Humphreys Half Pint
Under $5,000: Stump's Stretch XL
Recommended manufacturers: Weber, BGE, Simply Marvelous, Oakridge BBQ, Thermoworks
Another category to consider would be best BBQ websites to purchase from. Amazon, big poppa smokers, etc.
2013 Stumps Classic - Delivered 4/15/13
Large BGE - Rescued 2012
2010 WSM 22.5"
2010 Weber genesis gas grill
Rescued 22.5 Weber One-touch gold
BBQ Guru CyberQ
2011 Built UDS - Retired