Hey!
I'm kinda new here... XP
Anyway,i juz got the news...
There'll be a new opening and ending music for Bleach starting presuably next episode... "Ichirin no Hana" by High and Mighty Color, will be the new opening & "Life" by YUI will be the new ending.
& according to the Anime News Network, Episodes 52 and 53 is a hour long special showing on the same night, but airing at 7.30pm now (Japan time) instead of 6.30 pm.

i got this news from bleachsociety..