That's not good to hear! I am relying heavily on the wireless features of the X5. That's one of the main reasons I got it plus the GPS.
Try switching your mode to "Full Auto", I've heard this helps some.
Let me know what your research uncovers. I'm waiting for my Sync Cradle to get my CF installed -- dell does not ship the cradle with the ppc -- (nice concept - I've had it for 2 days but can't sync and use accessories)
Patiently waiting.
Dave ///