Knokkie: I can confirm that the R4i-Gold 3DS (1.57b) (www.R4i-gold.EU) with the new firmware works wel with 3.0.0.5E..
So the above works on the r4dsll card for the Super Mario 3d Land upgrade? The r4dsll website has been down.
I did try the R4i-Gold 3ds firmware but I must have misunderstood...