I truly enjoy shooting with my Ricoh GRD. It suprises me again and again with it's very natural BW shots. There's a very nice 'noise' on the BW jpeg shots that translates to a believable grainy film look. This is only common on the Ricoh GRD I and is not present in the GRD II.
Ricoh GRD, f2.4 1/125 sec, ISO800, -1 step
Post processing is done in virtualStudio. It has tons of BW specific editing tools (much better than Photoshop) AND ITS FREE!! Can't beat free. You can pick it up here! .