I've only heard DANCE and Genesis by Justice. What else is good by them?
Ahh well, I would recommend listening to their whole CD, 'Cross' because I love pretty much every song, but my favorites are Phantom, Phantom Part 2, Waters of Nazareth, and One Minute to Midnight (in addition to the two that you mentioned). If you listen to the album and you like it, check out their live album/DVD, 'A Cross the Universe'. It's so sweet dude, they remix their own songs, lol
So now that I've gotten my Justice advertising out of the way, I'd also like to say that I like to train to Miike Snow and/or Crystal Castles if you've heard of either of them...
Also, +1 for including Rob Dougan; he's such a badass.