microSD HC cards - the best company making 'em

Hello.
I want to buy a new microSD HC card for R4i SDHC, but which company makes the best cards?

Sandisk

Thanks.
Do Sandisk Mobile Ultra SDHC card work on this flashcard?

Replying to #3

Yes.
Pretty much every microSD cards will work with a flashcard.Note though, to get a good class of microSD.
Personally, I suggest nothing less than class 8.

Okay, thank you. Class 10 should be good for me.

Replying to #5

That's fine. :)