Ok here is a question for all.
Which suppliers for pen hardware do you use and why. For extra credit which suppliers have you had trouble with and why.
I use Woodworking Plans & Tools | Fine Woodworking Project & Supplies at Woodcraft if possible. I like the quality of the hardware.
I have also used Penn State Industries | Pen Turning | Pen Kits | Dust Collector. The quality is not as good, but some items aren't available anywhere else.
For wood blanks I try to stay local and/or cut my own.