If you look at new games using PB, it's shifting from being used in games with traditional dedicated servers that you can rent or host to games where the developer handles all the hosting or use a P2P host model.
VAC is being used more and more these days.
http://store.steampowered.com/search/?snr=1_4_4__12&term=#category2=8&advanced=0&sort_order=ASC&page=1