How is anyone supposed to respond to you? You say you want facts and not opinion. Well... unless someone has the funds to buy multiple cards at multiple speeds all you are going to get is opinion.
I heard that this brand likes to fail at 2 months of use. Please keep us posted after another month.
... From the day-to-day perspective, I mostly don't see a difference whatever SD card I use. That said, we usually buy "our trusted brands", i.e. from brands we know for years now and that (to date at least ) never failed us: Kingston, Transcend, SanDisk (random order). With SDHC we also had to try some new card readers (SanDisk, Lian Li, Kingston...) ...