I think part of the problem is the way things get announced. For example, I found out about when the new firmware would be out from forum threads - not from GPH or some kind of page related to just firmware.
People come here after spotting something on slashdot or edge magazine and they're...
I cancelled my order for a PNY 256MB SD card as I had heard they weren't so compatible.
I managed to find a Sandisk 128MB from ebay for £7.50. Guess what? It worked straight away and I have the new firmware installed :D