I think you have these the wrong way around...

MB is the abbreviation for Megabyte
Mb is the abbreviation for Megabit

You can see how confusing it all can get.

I'd STILL like to hear where anyone got these 'definitive' figures....

And sorry, guys, but my friend got his back (and is returning it to the store). So, no demos, yet....
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An arranger is just a tool. What matters is what you build with it..!