If you're on a budget, this should work. Going up the expense/quality ladder, I think after that there's Johnson for around fifty or sixty bucks. Then Helix and Herpstat which start at $100, I think.
http://www.reptilebasics.com/ is great for supplies. I know Herpstats come from Spyder Robotics. They're proportional and on the inexpensive end of the good stuff.
