putty difference?

i was jst lookign round on ebay, and i found these, bt was wondering whats the difference between them all, and which one would be the best for a beginer and for car models, thanks :D

Epoxy putty
Polyester Putty
Quick type
or smoother type

FAQ: http://www.automotiveforums.com/vbulletin/showthread.php?t=63623


More exactly:
http://www.automotiveforums.com/vbulletin/showthread.php?postid=579044#post579044

oo cool, thanks, so i should use the epoxy putty huh?

am planning on building a wide bodykit for the initial d fujimi 86, because i scred up on the whole spraying thing, so am gonna start again :D