So my quest for making a choice is getting closer. I am almost 100% that an iMac 27 is my target, (not quite discounted the MP but lack of remote without extra is actually a big factor). I would prefer the internal HDD bays and such forth, but I've had a MP before and as I have some ext FW its not a deal buster. The imac looks stunning, has simplicity and a nice big screen. My only real questions are (with it being on top of the desk); what's the noise and heat like for the i5 and i7 models? I'd like to get thoughts on both. For my uses an i5 has enough oomph, but the i7 would be nice (just speed up those transcodes etc). Is there a huge difference in the power draw on these machines (I have a 1200VA UPS). I know there are hints of a MP refresh coming and luckily I won't be buying for a month or so (unless my tax return arrives sooner), so I have the advantage of seeing what comes. Little background: I have a 24" screen spare for a MP so having the system without in built is not a worry. I have three HDD's of stuff currently in 1xUSB and 2xFW400. I would add a FW800 desktank should I go for the iMac.