Hey Blarg
Gripping is a great activity. I 've been into this for around two years and am working on closing the number 3, just under 1 inch away from full closure. I have the 2, 3 and a plate loading gripmachine. Also an Ivanko Super Gripper on the way.
For ideas on grip training check out the following 2 message boards:
Grippermania
and
The Gripboard