I only asked because I was on a sire using 2.2.9, and I asked them why they didn't use all the features and hacks that TSP had and it was only using 2.2.6. HE said they had to be careful about adding hacks to a forum, he had suggested it many times, but that 2.2.9 was more secure. He mention security, but I don't know of much else better in 2.2.9.