which iMac should I buy

[Mirrich]

I'm thinking buying an iMac used 21.5 or 24 inches, at the most spend 800 dlls any recommendations?

 

[martinm0]

I'm thinking buying an iMac used 21.5 or 24 inches, at the most spend 800 dlls any recommendations?

You should be able to find used 2011 21.5 base iMac for around $800-900. That would be the best recommendation (I'll have mine for sale when my new 27" iMac comes in.) The 24 inch models I feel like are a bit dated at this point.