Now, change it now. You can change your plan once every minute if you like,
although some of the plan changes don't always "stick" till midnight.
Depending on your plan change it may/maynot reset your contract. Do it
right away, and it shouldn't be a factor.
And yes, there are data only plans available to you. It doesn't matter if
it is a PDA, and if you elect this option, you won't have any voicemail or
nights/weekends; but then I guess you don't need.

Signature
dr.news Better Price? (not better than you deserve, just more than you are
used to)
If I can help: dr.news@better-price.biz.nospam or thru this notes forum.
> If I get a Samsung i600 from Amazon with a new 1 or 2yr AC service
> contract, is it possible to change that plan to the PDA data plan within a
[quoted text clipped - 5 lines]
> all? Like at extra cost or something? I really don't need both AC and PDA
> together.