Have put a poll in this thread (Nexus S owners only please). Please let me know if you've experienced it. I'll include a screenshot of the issue next time it happens (which at this rate will be within 24hrs).
If you're not sure what I'm referring to, occasionally I unlock my phone to find I have zero signal bars. Above the greyed out bars is a small x. The phone radio is unresponsive and won't clear by toggling flight mode (flight mode won't actually activate) and the issue is only cleared with a reboot.
Edit: 139 posts on the topic here at google.
Amazing that this isn't getting more coverage.
Apple had a signal attenuation issue and it gets called 'antennagate' Google/Samsung ship a phone which takes you off-air without warning and nobody bats an eyelid!
Edited by Xavier, 15 February 2011 - 10:34 AM.