[JazJon]

This seems pretty cool. It's in early beta.

MobiWee

MobiWee Downloads (see iPhone at the bottom) They support Windows Mobile and Android too even.

link to iTunes: iTunes Store



Introducing the next generation of innovative
Over The Air mobile device-PC services.

Personalize it
Send, receive, backup and restore SMS messages from any computer, Forward your phone when you forget it, make changes and backup all your contacts, favorites or browse your files from any computer, wirelessly.

Configure it
Automatically set up your email settings and install applications from your computer, wirelessly.

Secure it
Secure your sensitive data from any computer, even when you lose your device.