I gave him an old school ulthwe list. Guardians, psykers, no bikes.
He gave me this in return http://stabhard.blogspot.com/2011/02/armylist-exercise-ulthwe.html on his blog Team Shiv.
Here is my challenge list. All drop/flying tyranid list, max troops. Outflank etc. doesn't count.
So yes, 6 anti tank models, that can only hit 3 targets when they come down, and they have to make a psychic test and hit. Risky. But there are 120 hormagaunts to leap on whatever comes out of the cracked metal boxes next turn.