Good point rumby. If there was one thing I didn't like about DT's covers, is that they generally were too close to the original. I know many will probably disagree, but regarding DT's covers of Pink Floyd songs, especially Echoes, JL was very reserved in his vocal delivery, trying to mimic the original vocals instead of putting more of his own spin on them. Not that he had to go full out, but I would have loved to have seen what he would've done if he wasn't trying to copy Gilmour.
I'm glad at least they tried something different with Maiden's Gangland. Can't say it was any better than the original, but being that it was more of a throwaway track, it was worth the experiment.
Probably my favorite DT cover of all time is their version of Rush's Necromancer, and it's largely due to the fact that they walked that fine line of playing it close enough to the original to make it recognizable (at least to the Rush diehards) but still incorporating their own style into the song. For me, DT's cover of that song in particular is better than the original.