Right now, I have a 2GB SONY Memory Stick, which I know is fast enough, but I'm wondering if I get a larger capacity, the transfer rate is too slow for 30fps video recording. Thank you.

I can't get Sony Memory Stick Pro Duo 8GB (Magic Gate) recognized either on the PC or in the Sony Camera.
I've tried with Adapter or without, but still no luck.
Any one know what could be the problem? Other 2GB sticks works fine on PC/camera.