Hello! According to your requirements,
Consider HP Touchsmart TX2 12.1-Inch Notebook
It comes with
AMD Turion(TM) X2 Dual-Core Mobile Processor RM-74 (2.2GHz, L2 Cache) (2.2GHz)
ATI Radeon HD 3200 Graphics, 12.1" Diagonal WXGA High-Definition HP Bright View
Widescreen Integrated Touch-screen
Screen lets you write, draw, and erase (pen included); convertible display (1280 x 800)
rotates 180 degrees and folds flat
Wireless LAN 802.11a/b/g/n WLAN, Integrated webcam and digital microphone
Genuine Windows Vista Home Premium 64-bit
Get it from here. Also, go through the reviews
http://www.amazon.com/HP-Touchsmart-TX2-12-1-Inch-Notebook/dp/B001QJUWA2/ref=sr_1_6?s=pc&ie=UTF8&qid=1348522887&sr=1-6&tag=aajema-20
http://www.amazon.com/review/R2E0IG5D2HSLO2/ref=cm_cr_pr_perm?ie=UTF8&ASIN=B001QJUWA2&nodeID=&linkCode=&tag=aajema-20
List of non exhaustive options
http://www.amazon.com/s/ref=sr_nr_p_n_size_browse-bin_3?rh=n%3A172282%2Cn%3A!493964%2Cn%3A541966%2Cn%3A565108%2Cp_36%3A-30000%2Cp_n_size_browse-bin%3A3545274011&bbn=565108&ie=UTF8&qid=1348522815&rnid=2242797011&tag=aajema-20