New 3G iPhone in June?

Some new rumors have surfaced today on the expected new iPhone. According to Mac Rumors and Engadget, the new iPhone will have some of these new features:
A Glossy Black Back. No more scratches
A GPS
3G Network
Slightly thicker, not much.
Headset jack will be flush
Expect to have the new OS which will include Exchange Active Sync and 3rd party applications
So, if your looking to buy a new iPhone, I would wait at least until June.