From Porsche GB Club forum:

"Just been at Porsche this morning...gleaned/blagged this from them: -
Deposits (3-5K) now being unofficially taken for 997 Facelift car - for AUGUST 2008 Delivery.

1. DDI injection S models with standard 380 BHP, standard carerra now upto 350 BHP.
2. New Rear Light clusters, slightly narrower with LED lights.
3. New Rear Bumper/PU (think this has been well documented).
4. New Front Bumper/PU again this seems to be well known.
5. New Headlights.
6. New Standard and Optional Alloys.
7. New Touchscreen SAT Navigation System & Bluetooth
8. New DASH, apparently completely reworking of the Interior...more options "