i can either buy an imac 21 or 27. so should i buy a new 21 inch model or used 27 inch model. the 27 inch model still has warranty and can u check it out here please thanks

http://vancouver.en.craigslist.ca/van/sys/1797351477.html

i have a 21 and it works fine, unless you want to do heavy duty video editing and watching.

27 is better

I agree with the first comment. 27" is better.