Built-in Google Chat on my G1 has completely replaced text messaging for anyone else with a G1 (or anyone who is sitting in front of gmail).
Not only is it free (with unlimited data plans), it's better than SMS because it adds presence, away messages, and the ability to instantly take a PC-based IM chat on the road, or vice versa.
Not only is it free (with unlimited data plans), it's better than SMS because it adds presence, away messages, and the ability to instantly take a PC-based IM chat on the road, or vice versa.