I thought others might be interested in this solution for text messaging from your Xoom through your phone. This app (syncSMS) had been a battery hog as it needed to check for new texts regularly to work. The developer has just introduced a push feature in beta that seems to work really well without the battery drain.
[APP] SyncSMS - Synchronize text messages between tablet and phone - xda-developers
[APP] SyncSMS - Synchronize text messages between tablet and phone - xda-developers