If you want the smallest, most ultra-portable, fully functioning PC computer, then check out this Sony VAIO UX380N. It's got a 4.5" WSVGA touchscreen, Intel Core Solo U1500 1.33GHz processor, port replicators up the wazoo, ethernet (both wired and wireless), integrated bluetooth and EDGE, Windows Vista Business, and a 64-key keyboard. This is the cheapest place to get this Sony VAIO right now. SONY VAIO UX380N 4.5" WSVGA MICRO PC POCKET COMPUTER SALE