Disco Scottie said:
If I had a Clapton neck I would happily tell you. Which PRS neck are you thinking of? I wouldn't say any of mine have what I'd consider a V, not even a gentle V.
The SE Custom Semi Hollow Body.
http://prsguitars.com/secustomsh/reviews/PRS_SE_Cust_Semi_5_07.pdf
Maybe it was me but it did not feel totally round.