I got a problem with the on/off button on the original unit I bought on the Handspring.com web site. I called the customer support line and I got a new treo 600 shipped within 10 days.

I received the unit this morning. I got some problems already :
It's missing one little plastic rubber which covers the external antenna extension port, one key was not working, I still got the button rattled and the worst was this noise from the GSM/GPRS radio. It was difficult to hear the person who was calling me !!!

I called immediatly Handspring customer support to ask first if all of the replacement units shipped were new or refurbished ? The guy who was on the phone told me they were new. Well I'm not sure if it is true cause normally every single units is tested before to be shipped. So be careful !!!

I hope the next unit will work better...