I just picked up the new xpack for BC, but I dont have enough harddrive space on my desktop. I have WoW installed on my MBP, but I never play it for extended periods of time. Is it ok to play games on a laptop, even if it gets really hot to the touch near the screen? Do I run a big chance of damaing anything if I decide to play for 2-3 hours on it?

I may just upgrade my hard-drive, not sure how to but could look into it.