Ever since unlocking the bootloader and rooting my Transformer Pad 300 (TF300), I've been patiently waiting for the Cyanogenmod team to release a build specifically for it. Since they already support the TF101 (original Transformer) and TF201 (Transformer Prime), I assumed it was only a matter of time before a build showed up for the TF300 - turns out I was right, as that build just hit the CM download site this morning.
Granted, of course, this is the first nightly released for the device, so it's likely to be unfinished and/or have some bugs. Still, if you just can't wait to get some CM9 action on your TF300, now's as good of a time than any to get started. Hit the source link to grab the download.