The ASUS R1F is a tablet, with a 13.3″ rotatable LCD screen, an Intel C2D T5500, 1GB DDR2 and and an 80GB HDD.  As a tablet, it is set up to be controlled by a stylus, and does accept handwriting, but also has a mouse and keyboard if that is your preference.  Read the full review at X-Bit Labs before you dismiss this as not a real PC.
“If you consider yourself one of those active, hard-working people whose activities are not limited to the office, then the new ASUS R1F Tablet PC is made for you. It is an excellent mix of optimal weight/size parameters and superb ergonomics. This transformer supports both keyboard- and stylus-based data input and features an advanced hardware configuration as well as a long battery life.”

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