I recommend these neat little fibre tip pens as am alternative to the brush pens I normally use.Pigmented India Ink in multiple nib sizes and 48 colors brings great versatility to pen-and-ink drawings requiring lots of intricate details. Pitt Artist Pens are great for sketching, journaling, cartooning, and drawing.
Get them here:
http://www.dickblick.com/products/faber-castell-pitt-artist-pens/
Get them here:
http://www.dickblick.com/products/faber-castell-pitt-artist-pens/