Reporting back after apply BSE and also use Crystal Clear Case (from ebay).
you can search to found out more about clear cases
Crystal Case for the 700P/W
Treo 650 Crystal Hard case titled for Treo 650 but now they got case for 700 P/W
the clear case I got slide a little when apply the hot sync wires...after apply BSE it is very very tight. BSE does have some grip so in the office I can take off the case it stay in my pocket. while I commute bus/train... I put the case back and put on my headphone
haah haa and mine is NO iPode!