Feeling left out using your Xperia? Great news then!
Sony Ericcson posted in their official blog that an update roll-out has started for handset devices specifically Xxperia X10, Xperia X8, Xperia X10-mini, Xperia X10-mini pro. This update includes Android OS 2.1(Eclair).
Sony Ericcson says that updates will be rolled-out for these devices' updates will be gradual for each device has to be approved depending on location. Once approved, your device will be able to receive the update without issues. Otherwise, if you are really anxious to get the update, Sony Ericcson posted a list of "SI-numbers" that can be found on the label on the back of your device. You can search for your SI-number as new update kits are released!