A lot of software projects and distributors announced that hey have decided Linux Kernel 2.6.32 for long term basis.

GRSecurity & PAX: announced "supporting the 2.6.32 kernel on a long term basis".
http://www.grsecurity.net/news.php#stablechosen
http://grsecurity.net/pipermail/grsecurity/2010-January/001014.html
Debian: decided 2.6.32 will be the next release's (Squeeze) kernel.
http://www.h-online.com/open/news/item/Kernel-2-6-32-for-Debian-Squeeze-834731.html
Ubuntu: Lucid Lynx, the next Long Term Support release will also use 2.6.32. And indeed, they ported and debugged AppArmor to 2.6.32, along the way.
https://blueprints.launchpad.net/ubuntu/+spec/kernel-lucid-kernel-decision
RHEL 6: Some leaks about RHEL 6 being based on 2.6.32. Rumors? at least this shows 2.6.32 is currently being tested as a RHEL6 kernel:
http://www.mail-archive.com/rhelv5-list@redhat.com/msg06519.html
Upstream/kernel.org: 2.6.32 choosen by Greg Kroah-Hartman as the new "-stable", long term officially supported kernel
http://www.kroah.com/log/linux/stable-status-01-2010.html
Google Android 3.0 (aka "Froyo", the next major release) will use 2.6.32.
http://lwn.net/Articles/373374/
http://android.git.kernel.org/?p=kernel/common.git
OpenVZ: OpenVZ kernel team is working on porting their stuff to Linux kernel 2.6.32
http://community.livejournal.com/openvz/30934.html
DRBD: released 8.3.7 with fixes for 2.6.32
http://git.drbd.org/?p=drbd-8.3.git;a=blob;f=ChangeLog;hb=HEAD
VirtualBox: released 3.1.4 with fixes for 2.6.32
http://www.virtualbox.org/wiki/Changelog
linux-vserver: released "experimental" or "development" patches for 2.6.32
http://vserver.13thfloor.at/Experimental/patch-2.6.32.8-vs2.3.0.36.29.1.diff
TuxOnIce: released "experimental" or "development" patches for 2.6.32
http://www.tuxonice.net/downloads/all/tuxonice-3.0.99.48-for-2.6.32.patch.bz2
openSUSE 11.3 (to be released in July), won't be 2.6.32 based for sure, the development version is already 2.6.33 based
http://news.opensuse.org/2010/02/17/number-two-always-tries-harder-opensuse-milestone-2/#more-2893
and of course many more ....

So it's pretty nice to see all those effort coming together around 2.6.32 - this kernel will benefit lots of independent testing, for instance.