Have you posted info about this map on esreality.com forums? If you haven't you definitely should its a great place to get 'pro' quake 4 players feedback on duel maps.

Cool level man, wish I could make maps like that! Inspiring!

I think for tournament play it's probably alittle to complicated but two of the areas are really cool and could quite easily be made into a great 1v1 type map. FFA I would imagine it would be crazy