As the subject line suggests. In particular, with an eye towards distribution amongst doctoral degree level students on a fairly wide scale (100+ per year), so battery life and durability are a concern (although durability is less a concern than with, say, 15-18 year-old students). Our current vendor will remain unnamed, but delivered the 60 ordered this year 1 month late and with approximately 10% defect rate out of the box. So, we're shopping for a new vendor... Mike H. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist