Oh come on! Give it up!
Secure Digital mopped the floor with Compact Flash because it was a superior format, even though CF was significantly cheaper. And SSD’s are mopping the floor with all other flash technologies, with the exception of size.
Choose one - Standardisation is good, the manufacturers can compete on features/quality/price … Even Toshiba with their HD-DVD realised that multiple formats is just silly, because it divides the market, increases R&D and Shipping and handling costs (mulitple different products now) and hence overall expenses, and makes manufacturers & customers less likely to upgrade to either.
Work with Secure Digital and see what you can bring to the table to improve SD.