Thanks very much for the prompt and thoughtful replies guys.

I guess I'm rushing things a bit - as Jazzmandan says it takes a long time to learn, and that was expected. But 30 days isn't much time to review it all, especially when a chunk of it gets eaten up by the shipping across the world.

The tip about the "What add-on do I have " button was very useful - thanks for that. It showed that I have a number of RealTracks, including "11 - All Bluegrass Rhythm". Yet when I used a style that required that set, I got a message saying that some of 11 was missing and that I had no mandolin. So I guess that they make choices with the less than complete Megapak version, about which files to include.

Normally, I'd expect to take a lot of weeks or months to work through exactly what you can and can't do with new software, but the range of options is so big here, and the task of trying to assess each element so huge that I think I'll just have to make something of a guess whether to stay with what I've got or take a leap of faith and shell out some more dollars. I guess you can't take it with you....

I'll email the sales guys later today and see what they can suggest or offer.

Thanks for the help

Chris