Hey, I recently bought a 750Gb Seagate hybrid drive with 8Gb SSD for my White Macbook (in addition to 4Gb RAM) and was impressed with what an easy, excellent upgrade it was. I planned to do the same for my iMac (purchased in April 2011 - the last model before Thunderbolt was added) to get a speed boost, but it seems this is nowhere near as easy to fit! I've heard about the difficult physically replacing the drive; the associated fan problems; and the fact it means your iMac will fail basic hardware approval. What are my options: Am I right in thinking there may be a bay specifically for an SSD drive that is feasible to install (or have installed)? I could deal with 256Gb for program files and keep the 1Tb disc for media.. What are your thoughts?