I am thinking about purchasing a small, hobby size evaporator for the 2010 season. I have looked at the Leader Half Pint and a hobby sized evaporator made by WF Mason. Are there other brands out there that I have yet to find? What are the pros and cons of each?

Also, what difference does it make to have a 3 compartment pan vs a 4 compartment?

Any input would be helpful-thanks!