Dell Small Business has a very good deal if you're looking for a well rounded 15" laptop. You can get a Vostro 3560 15" Laptop with an Ivy Bridge Core i5 processor, a high resolution 1920x1080 display, and discrete Radeon 7670 graphics for under $700. Here are the details:

Vostro 3560 15" Laptop w/i5-3210M, 1080p, Radeon 7670 1GB $659.00 w/coupon code 1F8PCMF2SG?$V8 (good for $50 off PCs of $599 or more)

• Intel Core™ i5-3210M Processor (2.50GHz, with Turbo Boost 2.0 up to 3.10GHz)
• Windows 7 Home Premium SP1, 64bit
• 500GB 7200 RPM SATA Hard Drive
• 4GB Shared Single Channel DDR3 Memory
• 15.6" Full High Definition (1080p) LED Display with AntiGlare (manually selected)
• Dell Chiclet Keyboard with Multi-touch Touchpad
• AMD Radeon™ HD 7670M 1GB
• 8X Tray Load CD/DVD Burner (Dual Layer DVD+/-R Drive)
• Dell Wireless 1704 802.11b/g/n, Bluetooth v4.0+LE
• 48 WHr 6-cell Lithium Ion Battery

You can also add a backlit keyboard for $20. All in all, we haven't seen anything similar at this price point recently. The combination of a fast processor, 1080p display, and discrete video card at a sub $700 price is pretty rare. It's a good buy for students or anyone else who needs a versatile laptop. Shipping is free.