I've heard of them but don't know anyone running them. The Hughes pan is really nice and I've seen a lot of guys running that one. Looks like the Derale pan is just steel so compared to a finned cast aluminum pan?!?! I would (and am since I just ordered it) got a Hughes finned cast aluminum pan.
For 1) aluminum sheds heat more efficiently and 2) I think fins would outperform those tubes.
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