Hi! I want to buy the new iMac (early 2011) and replace the internal dvd-writer with a blu-ray writer or reader. I assume it must be a slim drive with slot-in. The only blu-ray drive that I find at a reanably price is this: http://www.sony-optiarc.eu/products/bluraydrivesnotebooks/bc5640h.html According to iFixit the drive used is a Sony Optiarc. http://www.ifixit.com/Teardown/iMac-Intel-21-5-Inch-EMC-2428-Teardown/5485/1 So my question is if anyone here has replaced the internal dvd-drive of an iMac before? Do you think that the change would be possible? Thanks!