In Ricoh SD / MMC card reader my Thinkpad X220 following values were obtained with the Heise Tool (h2testw):
8GB: Read 21MB, write 14-15 MB / s
16GB: Read 21MB, write 17-18 MB / s
In RAW + Fine mode in the Olympus E-P1, E-PM1 and E-PL3 is about an image / s "written down".