I want to know if the keyboard stays lighted if you leave the machine on for long periods of time. I just got a new processor and motherboard for my Pismo last year and I run it all 24/7; hardly ever shut it down, except when transporting it since the sleep sensor broke when they worked on it. I don't see any problems with this since upgrading to OS X. So, does the keyboard stay lighted while screen effects are playing on the 17 in.? That's my next machine, regardless.