If you want to be able to send SMSs from your Android tablet, and you also own an Android phone, check out XDA forum member howettl‘s TexTab app.
TexTab is an SMS app for Android tablets that allows you to connect your Android 2.1+ tablet to your Android 2.1+ phone over Bluetooth and send/receive SMS messages on your tablet as if you were sending them from your phone.
TexTab is currently in public beta and the XDA dev is looking for feedback.
Current features include:
For more information and to download the apk, head on over to the application thread._________