Over at Aximsite
numerous people are reporting that their
Windows Mobile 5.0 Upgrade CD from Dell began shipping yesterday. I guess you could call me old-fashioned, but Windows Mobile 2003SE is still sufficient for my needs and I'll stick to it until various apps important to me (such as OzVGA to switch to 640x480) are upgraded to work with WM 5.0.
In case you want to restore the ROM image from WM 5.0 back to WM 2003, you can download the appropriate tool free from Dell's Website:
Downgrade for X50v,
Downgrade for X50