UnleashX's default skin looks like shit. You musn't have used the msdash for AGES. they're on totally, massivly, different levels.
Speeking as someone who talks to tHc people regularly on #xboxdash, tHc isn't dead.
Basically - they're making a new xbe for the msdash which will take months, maybe even over a year to complete.
In the mean time Jbone is working on avalaunch to gain a better understanding of ftp and making a 3d UI.
Gcue is working on the xbe as I type.
Discworld got pissed off with the site ages ago and decided to stop working on it while there was no activity.
fuckdb is having personal problems but never was a key part of the team, so he wont effect the dash's release schedule much.
tHc just decided it wouldnt be worth maintaining a website and fanbase over a year long period of silence. when they come back they'll be the biggest dashboard on the scene - until then, all will be quiet