Hey Scott...you can find a table of heat tolerant tomatoes at the Tomato Dirt website. Heres their address:
http://www.tomatodirt.com/heat-toler...varieties.html Also there is a website Tomato Index where growers can rate varieties and list their opinions at:
http://www.tomatoindex.com/index.cfm. Good luck with your endeavors but remember that a variety can perform successfully one year and the next terrible, depending on the climate. If you ask how a variety did for someone also ask how many times they have planted it. Example for me was I grew Chocolate Cherry 2 years in a row and swore how great they were. Last year I grew them and they were practically inedible due to the drought we had. They were actually orange-brown. Didn't even look appetizing. So growing frequiency is important to know.