Sanwa Japan offers the ADR-EXCF, an Express card 34/54 dual interface CF adapter that comes with UDMA Mode 6 support. The ADR-EXCF support dual interface and up to 16GB UDMA Compact Flash, up to 32GB Type I CF, up to 8GB Type II CF and up to 6GB Micro Drive.
Sanwa ADR-EXCF CF adapter offers up to 45MB/s transfer rate. It works with both Windows PC and Mac. The price is 7140 Yen.