Could not complete initial page load with either build r148590 or r148591.
Tried to reset Safari.. no help
Initially tried r148591 and then reverted to r148590 both have the same reaction.
Reloaded r148526 ... able to complete first page load and send this report.
MacBook Pro, OSX 10.8.3, 16gig RAM
*** This bug has been marked as a duplicate of bug 114752 ***