MicroSDHC with Memory Stick Duo adapter: good idea?

[vnctdj]

Thank you for these explanations

My example above probably implied that computers generally put videos in a certain place and games in another. This isn't true; they just put them anywhere there's room. The point was that files could easily end up on either card and be separated from their filenames.

So I misunderstood your example...
In fact, that's a matter of fragmentation