This is wrong. I have owned a 360 since launch and NEVER has an update of a game taken more than 10 seconds. If an xbox 360 game update takes as long as your standard PS3 game, then clearly someone's trying to get on Xbox Live from Somalia.
To get Super Street FIghter Turbo HD remix on the 360 took
Just yesterday I was playing RE5 with my cousin and the update took 15 mins.
The PS3 is completely inferior to the 360 in terms of online play in almost every respect: downloads, ease of use, the User Interface and the whole online community.
The PS3, imo, is a great console for Single player games (Uncharted, MGS, GOW etc) and as an entertainment device (Blu-ray, BBC I-player etc) but when it comes to online gaming it still lags behind by a considerable margin.
I can mention many instances where the PS3 has annoyed me online.
The 360 isn't without its problems though (understatement- RROD anyone?)