Businessonthego.ca reports availability after May 5th, but if you got to:

https://www.blackberry.com/SoftwareDownload/index.jsp?client=aMlbMFchE

you can download it now. I’m in the process of applying the upgrade. I’ll post results here.

***** Update (25/4/2006) *****

The process went without any problems, the new interface is great and now I can use EVDO, even though the icon on home page shows 1x. I guess they might be refering to it as 1x-EVDO. I setup the network to use EVDO network only and it still worked fine, that’s how I tested the EVDO