It appears Kingston has their foot in the door with a 32GB Micro SD to give SanDisk some competition. There is no description on newegg, but from the Kingston site, it appears this card is a class 4 and cheaper than the SanDisk.
Newegg.com - Kingston 32GB Micro SDHC Flash Card with MicroSD Reader Gen 2 Model MRG2+SDC4/32GB
Newegg.com - Kingston 32GB Micro SDHC Flash Card with MicroSD Reader Gen 2 Model MRG2+SDC4/32GB