EpicBroccoliI bought a Lenovo Ideapad Y580 (15.6, nVidia 660M GTX, 2.4Ghz i7, back lit keyboard) last year when my old laptop died and I got it for sale for $900 and bought a 256GB SSD for like $200 to stick in it, it's still running TF2 fine, of course I mostly use it for occasional PUG, not sure if it would be good enough for fulltime competitive gaming.
IMO, it's pretty nice balance between being a gaming laptop and a normal laptop, it's not overly heavy at least not for me since I've been carrying it to classes almost every day for the past year. The biggest thing is that it's not flashy like my old Sager laptop.
You could definitely get a newer model for $1600, or if time isn't an issue you could probably look for a sale between now and when college starts.
I heard that the Y series from Lenovo, although very cost effective, has a short battery life (as in 3 hours or less). Do you have any experiences where you wished your battery life was longer?