[ramsaysnuuhh]

Uniball Jetstreams (http://www.amazon.com/uni-ball-Jetstream-Retractable-Roller-...) is the smoothest pen ever. Itoya Xenons (http://www.amazon.com/Xenon-Retractable-Rollerball-Pen--Lava...) has the best grip I've used. Not picky about paper but I tend to use index cards a lot.