Not familiar with the ones your considering, but Steve is...
http://www.steves-digicams.com/hardware_reviews.htmlIn your ROI, don't forget the value of your time, plus the value of NOT printing bad prints/processing bad slides. For instance, what's it worth to take pictures and be able to show images to a client on the spot, or e-mail images almost immediately, or drop a picture into a layout minutes after it's shot. And add the value of shooting a frame and immediately being able to see a histogram to help ensure your exposure's correct, plus see the image to tell if there's any bad shadows or other things you'd want to eliminate. I'd say if a digital camera saves you just ONE reshoot, it's almost paid for itself. Factor in a lot fewer trips to the lab for processing and prints, etc. buying film, etc.
Plus, if you shoot 36 frames in a portrait setting you end up with all that film, and you may only ever use/sell two or three frames. (Don't forget environmental factors -- photography uses a lot of nasty chemicals and consumes petroleum and paper, even for the stuff you throw away.) So, you're paying for EVERY frame you shoot with film, whereas with digital, you only pay for the GOOD ones.
Ever run out of film on a shoot? Ever lost a roll of film? Ever been paranoid that airport x-rays will wipe out an entire week's worth of shooting? Ever tried to get film processed in the middle of a national park or in some foreign land with polluted water?
It sounds like you're at least a semi-pro, and I'm guessing you have a film SLR. I would go ahead and get the digital SLR that can use your film SLR's lenses. You'll love it.