Thank you, Amazon 
http://www.amazon.com/b/ref=xs_gb_l...JDD73H6DJK6Y8KP&pf_rd_i=20&pf_rd_p=1740370942
for those curious, the extreme cards are currently the speeds of the old extreme PRO, and now the pros are even faster and YES...they make the difference.
http://www.amazon.com/b/ref=xs_gb_l...JDD73H6DJK6Y8KP&pf_rd_i=20&pf_rd_p=1740370942
for those curious, the extreme cards are currently the speeds of the old extreme PRO, and now the pros are even faster
and YES...they make the difference.