I am a Manager at T-Mobile.  When the Android G1 first launched my challenge was to find a program that would push/pull my Exchange email.  There were many applications out there but none seemed to work for me.  Once I found Touchdown, my troubles were solved.  The support is excellent and the application has worked without error.  If I had to recommend an Exchange application for your MyTouch or Android G1 – Touchdown by NitroDesk is your best bet.

— Philip Wilhelm