Well, it is "the most powerfull Xbox menu maker"
From what I see, it's basically a simple MenuX-type DVD-R menu, but I'm at work, and I don't know if I'll have time to play with it tonight.
It might be pretty decent, if people find it's simple enough to set up. Having to put the information into an ini file makes it easier than MenuX's XDI compilation, but there is one program out there that only requires you to put a few files right in the game directories (erm, wonder which one that might be).
So it looks like it's a pretty tight little menu app that will probably appeal to people. Easier than MenuX, not as idiot-proof as MXM, but faster loading and 'simpler' (got to quote that, since MXM can be very simple to set up, but all the other features can send some people off screaming into the night
even though they can ignore all the other stuff and still get a slick DVD-R made up)
I haven't tried Team Ava's DVD-R menu app, either, so I can't measure it against that. I would suggest people try all of them and use the one that best suits your taste.