I have been using iPhone tethering for almost a month now, and it rocks. I am not going to update to any new iPhone OS unless I am sure I can tether. Paying $4

I have been using iPhone tethering for almost a month now, and it rocks. I am not going to update to any new iPhone OS unless I am sure I can tether. Paying $45 for HSI at home and $30 for iPhone is a lot. I am not looking forward to add more to it for tethering.