CM10.2 on my S4 Mini and Nook HD. CM10.2 12/6 nightly on Transformer TF300T. No Gapps, running straight open source with F-Droid and CM.
Running Darthstalker 4.0 on my Note 3 - basically a combination of Touchwiz and stock Android without most of shitware Touchwiz/carrier apps.
CM10.2 on my Nexus 4
My Nexus 7 is completely stock, unrooted, and running Android 4.4
CyanogenMod 10.3 I'll never use anything else.
SlimKat 4.4.2 LG G2
PA 4.0 Beta + Franco.Kernel on my Nexus 4, not very feature rich atm, but it works.
Foxhound for my GS3. Its a bit heavy on my phone but it looks so good. Not to mention the audio tweaking I could not do without. Sure I could just get a lightweight rom and throw what I need but as a full package it will do. its 99% stable.
Vanilla 4.4. I use nexus devices. I just don't see much of a benefit to make it worth the hassle.
Nexus 7 stock 4.4, it runs pretty smooth but might switch to CM11
CM 11 with dual boot Ubuntu
Nexus 4
I'm running SlimKat 4.4.4 on my Galaxy Tab 2 10.1..better that stock..
I use dirty unicorn on my nexus 5
Liquid Smooth 3.2 (android 4.4.4) on my Droid Razr Maxx
Does anyone else use omni rom 4.4.4? if so how do you update the aosp keyboard and dashclock? i am stuck on an older version and cant uninstall or upgrade it. If i try to upgrade it using f droid. it says key is different, please uninstall and re-install and I am unable to uninstall.