Some progress report would be good. If you are making progress with 6.x you could say so. If you're still clueless as to how to support 6.x you should say so. Each time the Gateway team is just saying "not given up hope to support these consoles. But please be patient." is really pointless. It's just a marketing device. They are selling hope.
They have to find a new exploit for that - It's not really something you can give a progress report on.
Really, only four things they can say about it - Haven't found one yet but we are still looking, We just found one and are currently testing our product on the newer firmware, We've finished testing and heres a update for more firmware support, or We give up.
Edit - The Acekard was a clone as well - And it's now one of the big 3 for DS cards. I wouldn't put a whole lot of stock in the r4i card - R4's varients that get abandoned are a dime a dozen - but the link card? Might be worth looking into.
Either way, more cards being out is a good thing - Means more people actively looking for new exploits in a attempt to oneup their competion.
I'm hoping to buy the cards anyway, just for collection purposes.