Google’s Nexus Twitter account has been teasing us for 3 hours now and since we’re seeing all sorts of guesses on Twitter, we thought we’d just bring the question to the masses.  Any ideas on what they might announce?  Free Nexus S 4Gs for all I/O attendees?  A Verizon Nexus (hah, right)?  A new phone altogether?  Android 2.3.4?

As always, let us see your thoughts in the comments…