as far as additional expense, the answer is no.
as far as the 'Trial Version' of PDAnet is concerned, it stops working after a while (I believe),
then you need a passkey to continue using it, which you obtain with purchase.
concerning media works, see this discussion:
http://www.everythingtreo.com/forum/...ead.php?t=1587
I have the Cingular 'unlimited data' plan for $39.99, because I surf the net alot along with regularly checking my e-mail.
JT