I've seem the same detonation claims said about Bullseye which is a fast burning/small volume powder (faster than Titegroup). Again it is a well tested and recommended powder just as Titegroup is.

http://forums.handloads.com/archive/forum_posts.asp?TID=22648&PN=1&TPN=1

This link has a scan of the article debunking the Bullseye detonation capability.