I ordered one a few days ago, but I don't know how long it will take to arrive to Chicago. I didn't realize I am one of the first to order this lol. I don't have much experience with comparing DACs/amps, but I have a CMOY and an EF2 I will compare this too. I got the version A so hopefully the extra cost is worth it.
It appears that the mini toslink cable also works on the new late '09 macbooks as well, which is great news for me! I'll be sure to get one of these since it beats the USB connection I am using now with my EF2.