Mayflash vs Official GC USB Adaptor

[Nintonito]

That comparison doesn't really show much besides the difference between the mayflash Adaptor without support and "native support". Doesn't mention if the clone Adaptors have any quirks. I've read on the forums here about potential issues with seperate driver packages and loss of rumble. I'm going to try the mayflash for now, as the price difference is too large to not try. But peace of mind would be nice.