I see a problem the Indi has is it gets too hot. We have tried a fan over it with some good results. But what the fan does over it? It just colds the "other side", and there's almost no refrigeration for the chips.
So, as I see it, apart of the fan, the best thing to do is this, that I've just done:
I've cutted to size some copper plates to cool the rest of chips. I will put a fan over the Indi.