I am new to the Mac world. Recently I started using a 24" iMac at work, I like it a lot and want to switch out my PC to something that runs OS X. So now I am debating between a 24" iMac or a MBP and use my current 24" monitor at home. Wondering if anyone else was in a similar situation and are you happy with your decision? I am going to buy either the $1,499 refurbished iMac or the refubrished $1,649 15.4" MBP. They are priced almost the same. I would not use the MBP as a portable very often (2-3 times per year for trips and the occasional want to read my rss feed in my lazy boy) My home computer is on for 6-9 hours per day with 2-4 hours of actual use. Are there any downfalls to using a MBP as the cpu to run external monitor/keyboard/mouse. Will it overheat if I keep the lid closed for that long? Is it louder then an iMac? Are there any good docs for a MBP?