Saving as MP3 on Windows Vista
A few more hours of work yielded support for LAME MP3 encoder in Repacer. In addition to adding the option to use this encoder in Repacer (which is considered to be the best MP3 encoder), it also enables saving your converted workout songs in the MP3 format on Windows Vista (as the original MP3 encoder that came with Windows Media Player was removed in Windows Vista due to patent issues). In order to enable this option on your system you need to download and install the software below.
http://www.elecard.com/ftp/pub/directshow/lame_dshow.zip
Standard disclaimer: Note that the above software installs an mp3 encoder functionality on your system, which in many countries is covered by patents and requires paying license fees to the patent holder. I’m not sure whether this applies to private use though…