IMHO I think these are the best options:
1. A new better flashcard no matter the cost — CycloDS Evolution
2. The best slot-2 cart — EZFlash V 3-in-1
3. The best place to get an 8gb microSD card — A-Data 8GB Micro SDHC Class 6
4. The best screen protectors — The best of the best InvisibleSHIELD...