There is a nice custom pen from KarasKustoms available via Massdrop that seems aimed at the people looking for a durable pen for notetaking. The USA-made pen is machined from 6061-T6 aluminum for a sleek industrial look. The aluminum version is lightweight, but if you are looking for a more hefty pen, a brass version is also available.
The prices via Massdrop vary (based on the number of sales) from between $30 and $40. It takes a Pilot Hi-Tec C refill cartridge, or any Parker-compatible refill, so you have some options on the ink you use with it.
You can find out more about these pens at MassDrop. http://ow.ly/uwKK8