Atman writes - "...how to assemble a field recording system that is: battery powered, capable of six hours continuous record without recharge (and much more from the wall), CD quality (44.1 kHz 16 bit stereo), less than U$1000, and capable of being concealed in a handbag, backpack or jacket." - Link.
http://blog.makezine.com/archive/2006/04/how_to_cd_quality_field_r.html