My current iMac: 24" early 2008 BTO (2.8GHZ Core 2 Duo, 500GB HD, 4GB Ram, 512MB Geforce 8800GS) Under Applecare until May 2011. compared to 21.5" iMac (3.06GHZ Intel Core i3, 500GB HD, 4GB Ram, ATI Radeon HD 4670 with 256MB) I would probably upgrade the ram to 8GB via 3rd party I'm assuming faster, but how much? I use this for general business management paperwork, some photo editing, web design, and the occasional steam gaming. The LED panel on these new units looks much clearer to me so I'm tempted by that too. Can anyone out there give me a ballpark of what mine would fetch if sold? I have the original manual, retail box, restore discs, everything. Just curious.