Hi all, I've scoured the forums regarding this specific question and found a lot of good information. First, here is my current system: 13" white Macbook purchased in 2007 - 2ghz, 2gb ram, 80gb HD Second, why I want a new desktop system: I want the screen real estate. I'm in going to be in and out of graduate programs for a while. I'd like to be able to have at least a couple of docs showing at the same time, either word side by side, pdf + word, safari + safari, etc. - you get the idea. My Macbook is getting the job done, but I have a desk and I want something more ergonomic. I will primarily be using the new system for academic purposes, some amateur photo editing, web browsing, etc. I don't need a ton of hard drive space - but currently have a growing 100 GB music library. Plus, I just want a nice fancy desktop because I have only bought myself a single computer in my life, rarely treat myself to anything and the idea makes me giddy. Another consideration.. I'd prefer the numeric keyboard (not an option w/ a refurb), and don't particularly care for the new mighty mouse. Here are my options: 1. $999 Refurbished iMac 24-inch 2.8GHz Intel Core 2 Duo 24-inch glossy widescreen display 2GB memory 320GB hard drive 8x SuperDrive (DVD±R DL/DVD±RW/CD-RW) ATI Radeon HD 2600 PRO with 256MB memory Built-in iSight Camera 2. $1099 Refurbished iMac 24-inch 2.66GHz Intel Core 2 Duo 24-inch glossy widescreen display 4GB memory 640GB hard drive 8x SuperDrive (DVD±R DL/DVD±RW/CD-RW) NVIDIA GeForce 9400M with 256MB memory Built-in iSight camera 3. $1149 Refurbished iMac 24-inch 3.06GHz Intel Core 2 Duo 24-inch glossy widescreen display 2GB memory 500GB hard drive 8x SuperDrive (DVD±R DL/DVD±RW/CD-RW) NVIDIA GeForce 8800 GS with 512MB memory Built-in iSight Camera And of course, 4. 21.5 base Please help - you can feel free to convince me into the 21.5" or (potentially) waste your time trying to convince me on a 27" - but remember money is definitely an issue. Thank you all way in advance, I realize this question is answered in one form or another quite often - and this is my first post. Take care all!