According to M-Systems, the company that has been signed by Microsoft to supply flash media for the Xbox 2 / XBox Next, they have made a breakthrough in the technology and have produced a 90gb flash drive.

ISRAELI FIRM M-Systems, which has a deal to provide technology for the Xbox 2, said today it has released a 2.5-inch ultra ATA 90GB solid state drive that can transfer data at 100MB/sec burst rate.
In sustained read/write rates it delivers 40MB/sec.

The ATA-6 flash disk supports Ultra DMA 5 transfer modes, and will work at high altitudes, as well as in industrial and military applications.

The device is intended as a drop in replacement for ATA and SCSI mechanical hard drives. It complies with a number of military standards from the DoD, the NSA, the USAF, the US Army and the US Navy.

The products are already available, M-Systems said"