For me, the interesting part is the merge of gspca driver for webcams. This will make lots of web cam available on most modern laptop works out of the box (hopefully). Also this kernel should have fixed my problem with battery. It's already back-ported to 220.127.116.11 actually, but newer kernel is already released, so i just skipped to the latest kernel also.
Here's on my system:
willysr@dosen:~$ uname -a
Linux dosen 2.6.27 #1 Fri Oct 10 07:58:46 WIT 2008 i686 Intel(R) Celeron(R) CPU
2.66GHz GenuineIntel GNU/Linux