New information about the Dell mini Notebook that appeared under Micheal Dell's arm at the end of May have leaked.

Engadget received several slides detailing a Dell E and a Dell E Slim notebook.
The Dell E would have an 8.9 inch screen, 1.6Ghz Diamondville CPU, 4,8 or 16GB Flash memory, 512 or 1GB RAM, and Wifi. The Dell E would be available with Linux or Windows XP.
The first Dell E (name might still change) would come in August.

On the slides also a 12.1 inch notebook appears dubbled Dell E slim. Other features of the Dell E Slim include 1.3 or 16GHz Intel Silverthorne CPU, 8GB Flash or 40GB HDD, 512MB or 1GB RAM, Wifi, WiMax, and .3MP camera. The Dell E Slim would also come with Linux or Windows XP.
The Dell E Slim is 21-24mm thick.
More details on Engadget.