AsimCDFS is old hat. CacheCDFS is the current best CDFS atm, developed by IDEFIX auther.
your right about cachecdfs being in a diferent ballpark, but thats due to AsimCDFS being lade to rest long ago.
So what you cant drag audio to the hd, ill use a riping and mp3 encoder if i cared for it.
What you do get with CacheCDFS is Speed. Of course you may need to optimise cache settings to suite you requirments.
Joilet support, Multivolume support (very handy) full msdos name support and implemented in totaly os freindly way. Very far from basic id say, quite a few options to keep ya going.