I am a switcher that never owned a portable, after reading on different cases here, I still find it hard to choose between the Booq PowerSleeve (49$) or the MacCase (found for 66$). I like the waterfield sleeve too but after adding flap, strap and piggyback it's 95$!). I will not carry my PB every day and I will not put a lot of stuff in it (ac power, cd's and dvd's, mouse, some cables).
Thanks for any advice (pros and cons) from actual users of PB's.