I didn't get a chance to watch it yet, but there is a video out with a Exige 240R vs. 997S!
http://www.racingflix.com/browsevideos.asp?p=6
Go to the bottom of the page. You need a log-in, but it's easy and only takes a minute.
One downfall is that the bandwidth is bad, so expect the download to take a couple hours with a DSL or Cable.