These are the ones I'm looking at
http://www.eurobike.uk.com/details.aspx?p=132
a few 100g's lighter than 355/proII and about £100 more expensive. I've started a few threads on XC wheelsets and the AC's get good comments, you can do lighter for the money though.
Apparently the AC has a quicker pickup than the proII, so I'll be interested to see if I can tell the difference. Tbh, I just want something a bit different as I've been running 4.2/proII for years and the 355 isn't significant a difference to warrent shelling out for a new wheelset.
Plus I reckon they would look pretty cool with a black/white bike 🙂