Has anyone successfully managed to get a Sony Walkman NW-A1000 - or one of its cousins - to the Blue&Me system please?

I suspect the problem we have is that the Sony only recognises OMA format files, loaded from Sony's own Connect software, to play on the device, which is not a supported Blue&Me format.

The Sony will store MP3 files, but they then don't play on the Walkman unit.

Can anyone offer any advice or help please?