Flash Memory Types Transcend 1gb High Speed 80x Compactflash Card Is There A Better Brand Of SD Type Flash Memory, Or Is It All The Same?

Is there a better brand of SD type flash memory, or is it all the same? - flash memory types transcend 1gb high speed 80x compactflash card

In particular, micro SD for mobile phones. You can use a different kind of music, or just WMA files?