I took a gamble this weekend on an open box Pendo Pad 8. $120.
http://www.pendo.com.au/pendopad/pen...dppw81q716blk/
Running Windows 8.1. Quad core. Many input methods (micro USB, hdmi, micro sd card, BT etc). $25 rebate from MS at the moment. When that arrives, this unit will have cost me $95! I can't begin to tell you how well this thing performs, for the money. It's my new potable setup. Forget Raspberry Pi !
P.s. oh, and they throw in a one-year full subscription to Microsoft Office 365.