13" Macbook Air w/ 8GB RAM runs $1400.

27" IPS-ZERO-G Slim Monitor WQHD 2560x1440 - Dual Link DVI $390

http://www.monoprice.com/Product/?c_id=113&cp_id=11307&cs_id...

Mini DisplayPort + USB to Dual-Link DVI Adapter $70

http://www.monoprice.com/Product?seq=1&format=2&p_id=6904