If you're gonna go MD then stay with Sharp. The levels can be adjusted on the fly. If you can swing it I'd go with the new Hi-MD, if you're taping from an analog source you have 90 min. of pcm wav with usb transfer. not too shabby.
What are you taping out of? Your board? you can also go with a refurbished Nomad Jukebox 3 off ebay, $179 + shipping. 20 gig hard drive recorder with usb/firewire for transfers, no blank media hassle.
either will work for what it sounds like you're trying to do. feel free to post more questions.