Around 10 months ago I bought a Livescribe Pulse Smartpen. This pen combines paper note taking with digital recordings linked to the notes, which are themselves captured to a PDF. It is a great product.
Now of course there is a new generation product, the Livescribe Echo, with improved features and capacity.
The question I ask myself is can I justify a purchase. Not at the moment probably, but I think I will invest in Livescribe My Script which enables the hand written notes to be converted to text, Word compatible and edited.