SanDisk Sansa E280 and Rockbox, a few Questions

[velvetink]

Hello,
i want to buy a SanDisk Sansa E280.
Is it possible to use *.mp3 + *.cue with the Sansa and Rockbox?
Is it possible to use *.mpc + *.cue with the Sansa and Rockbox?

The Sansa microSDâ„¢ Slot  supports read or write of music files from external
microSD and microSDHC.
Can i use a 16GB microSD or a 32GB microSDHC with the E280 and Rockbox?
If yes, wich brand should i take?

Can I use Rockbox in German language ?

[saratoga]

Yes to all of those, though you need a V1 sansa (the v2 port is incomplete still).

[velvetink]

Does anyone know, if SanDisk Sansa e280 with these Number: SDMX48192A70 is an v1 ?

[LambdaCalculus]

What does Google tell you about those numbers?