去找了一下就我所知道的兩家 : SanDisk & Kingston

http://www.sandisk.com/Products/Item(1183)-SDSDX3-1024-SanDisk_Extreme_III_SD_1GB.aspx
SanDisk Extreme® III SD™ 1GB
Min 20MB/second** sequential read and write
** Based on SanDisk internal testing

http://www.kingston.com/flash/dt_iiplusmigo.asp?id=2
DataTraveler II Plus - Migo Edition
Fast – data transfer rates of up to 19 MB/sec. read and up to 13 MB/sec. write**
** Speed may vary due to host hardware, software and usage.

FlyNews兄的意見值得考慮
當然前提是要有支援SD的數位照機/手機, 以及USB的SD讀卡機
而且瞬間投下的資本也不算少