Dude,
You have to give people a chance - not everyone has the speed to download 3 Meg files very quickly...
Anyways, I took a listen - using headphones just on my computer and also the computer monitors, so I can't give you a full critique based on how it would sound in my control room... but it would be similar to checking a mix on Auratones, I suppose...
Some things that jumped out at me -
: the singers are talented, so there is no need to bury them in as much effect (reverb) as you have.
: When deciding on a type of reverb, try to picture what kind of ambient setting you want the talent to be in, then try to dial that up. You want to try to get as close to a "real space" as possible. "How would these singers sound in a concert hall, church, room, etc...", "Where do I want to place them in that room (up close, far back...)"
: There is a noticeable sibilance problem - if it's not in the original track, it may have been due to the conversion to mp3/wav, otherwise you probably need to run a de-esser
Other than these technicalities - very nice performance - these ladies can definitely sing... my compliments!
Bruce Valeriani
Blue Bear Sound