To be honest, I'm still using CM 10.1.3 (Android 4.2.2) on the Nook HD+. I'm not too bothered about being on the latest Android version, as long as my current build is stable; which I find CM 10.1.3 is; a stable version of CM 10.2 has been released, and although the TRIM bug is non-existent now, I'm still not risking anything. CM 10.1.3 has not caused any problems whatsoever on my Nook HD+.
The Nook HD (the 7" model) is not affected by the TRIM bug, so I've updated that to CM 10.2; and that does offer a more responsive OS, most likely due to TRIM. I don't think I'll be updating these two tablets any time soon, especially as CyanogenMod are no longer releasing stable builds.