I was always looking for a chart or table which compared the various desktop 3D printers on the market today. There are so many printers out there now it becomes overwhelming trying to figure out which would be best for clients. Recently "Find The Best" added a page just for 3D printers. The url is as follows: http://desktop-3d-printers.findthebest.com/

Currently they list 41 different printers, ranging from the Makerbot lines to Leapfrogs, to ones I never even heard of. I'm sure many more will be added as well. They give details such as accuracy, extruder head totals, price, materials used etc.