The Toshiba Folio 100 was a good idea in theory, but with the large price tag, not many people bit the bullet and purchased one. For those who did, it did get a firmware update today. (2.2.5.0053)
Although this new support does not give the latest Flash 10.1 support, it does give some useful features that should enhance the device, to a point. THe new update aims to improve the screen / touch responsiveness, issues with lag, pinch-to-zoom capabilities and audio / video processing.
If you want to install the latest version of Flash you have to do it manually. There are some serious bugs with FLASH and with the unit itself. In some cases it goes randomly into sleep mode. To get it to work again you must physically reboot the device, all of these errors have gotten many stores to pull the device from the shelves.
Check out a preview of the device here