there are 2164 blocks built into the wii. Blocks are pretty much the capacity and games take up 1 to 121 blocks sometimes.
Chat with our AI personalities
I think you can use a wii memory card for wii power saves. If you don't have wii memory card, you can buy one on this website: http://www.dinodirect.com
There is an option in the settings menu to 'Format Wii System Memory'. I've never tried this and don't intend to.
Yes, the DSi (and XL) use the same memory cards as the Wii does.
There is a place in the front of the wii that you can open and put it in
No