This information is for the users who wanted to hands on New Nexus Tablet and Jelly Bean in 2-3 days other than waiting for a Month. Nexus 7 Tablet is going to launch next month for the price tag of $199 for 8 GB version and $250 for 16 GB variant. But now Ebay is offering it for $400. Because this tablet is powered by Jelly Bean, there is demand from those who want to be the first on their block with an Android 4.1 device.
Additionally, Google will provide free Nexus tablets to Attendees of Google IO. You can check out more  info about Google IO here.
Check deal: Here
always and business man looking to make a buck. too bad it was given as freebee to developers.