Regarding the quality of the sound. Are you using the new 16-bit mix-mode in OctaMed Soundstudio 1.03c? If not you can join the Amiga Med Soundstudio mailing list and gain access to the download site of the latest OctaMed.
http://groups.yahoo.com/group/MED_Soundstudio_Amiga/note: In order to gain access to OctaMed Soundstudio 1.03 you need to either have emails enabled or go into the files menu and read "message.txt" once you're accepted into the group.