Neato update to this line of recorders, just need to figure out the battery situation. It can be powered via USB for longer battery life.
Tascam DR-70D

I've done a review on it, will update the video as well.

Tascam 70d review: A 4-track mixer/recorder for $299? Sure! (http://www.mediahalo.com/articles/tascam70d/)

The main takeaways....

-$300 is damn cheap for a 4 track recorder
-Nice size, not too tall, and just wide enough to fit proper controls and screen
-4 XLR/TRS inputs, line/camera out, camera in
-Phantom power for all XLRs
-Sufficient gain settings for inputs and outputs
-Limiters and lowcut
-SD card in the rear(can't see where else they could have fit it anyways)
-Battery/SD door can be annoying, i might just take it out.
-Wish all the 1/8" ports were 1/4", but again, size limitation, so can't really nitpick
-Battery life is OK, but Zoom's are amazing.
-A compressor would have been nice
-MP3 option would have been nice
-It would have been great if it could make bacon pancakes

Overall there's not much you can complain about for 300 bucks

"Nice size, not too tall, and just wide enough to fit proper controls and screen"

I would say much better design than the DR-60D. The 60 I felt just didn't look right on the side or under a camera, this one seems like they consulted some DSLR users & figured out how to make it really work with a good rig.

Stinks that battery life isn't great, but can it be powered via USB like the 60D? If so, pick up a $20 - $40 usb battery bar & you can use that in conjunction with the AA batteries.

Nice. Amazing how far technology has come. I think of the days of suffering along with minidisc and wonder how I ever managed.

Or of paying $10,000 for a Deva 4-channel hard drive audio recorder only 15 years ago...

Or lugging around a 40-pound Ampex "prosumer" (the term had not been coined back then) reel-to-reel machine in 1965, that cost $600 at the time (around $4,500.00 in today's dollars).