This is an impossibility for me, as I love both bands so much - but let's see what you all think.
And please, no posts saying "screw prog", or "their songs are long and boring". Prog isn't about 4-minute pop; it's about musicality. Let's see some intelligent posts in this topic.
Hmmm indeed... Time to think over this one I think.
Off the top of my head I would say Yes probably just ahead, but I can't come up with a reason why! Although my mate who is a big Rush fan would probably hit me.
You should check out Mars Volta like I said Bob, a band daring enough to do prog rock in today's musical scene.