The only reason Bungie would make halo for Sony consoles is if they were offered a HUGE amount of money (seeing as PS3 isnt fairing well, and they're currtnly with Microsoft (duh!)) or if they were becoming 3rd party and are making halos for most consoles, which would be a shame for mircosoft.
Destroying the world is a lot like eating yoghurt, you use a spoon.
JMO Lord of Spoons
GRAVEMIND
Want to contact me for any reason? My Gamertag is: JMO 137