[Trammell] has released a new firmware for the Canon 5D Mark II DSLR geared toward film makers. The stock firmware was very limited on the audio side. This firmware adds features such as live VU ...

It's hacky and requires some fiddling, but EOS 5D Mark II owners interested in maxing out their video abilities will want to check out the new Magic Lantern firmware developed by Trammell Hudson.