The Sony Xperia SL (model LT26ii), rumoured to replace the Sony Xperia S, appears to have been caught in a leaked press shot. Physically, it looks unchanged from its predecessor but is set to come in unique colours. Assuming the press shot is legitimate, it will come in purple or pink. Hopefully more traditional colours like black and white will also be offered.
The Sony Xperia SL will also benefit from a modest processor upgrade to a 1.7GHz Qualcomm Snapdragon S3 (MSM8260). It will also presumably ship with Android 4.0 rather than Android 2.3 as the Xperia S did.
Update: It is now believed that these images are fake.
Read more: Xperia Blog