First, HP has made the 6515’s looks much more stylish. More importantly, the 6515b packs in pretty much every feature a business user will ever need, including options for 802.11 draft-n wireless and either EV-DO or HSDPA WWAN compatibility. The HP Compaq 6515b Notebook PC incorporates a top-of-the-line AMD Turion 64 X2 processor and runs on Windows Vista Business, for less than $850.00!