Here are the specs but they are automatically translated from the german Sharp site.
The XL1E will be available only in 46" and 52", response time will be an impressive 4ms. IIRC that due to the 100/120hz feature at 1080p which basically cuts the response time in half. Hopefully you will be able to disable all the picture processing filters, just like with the Samsung (M86). I think thats a very useful feature because some filters can decrease picture quality and being able to switch them off is a good thing.
And here is an English article on the new C and X series from Toshiba: