the crux is rediculous. at least a hundred tries, 10 views of the walktrhough, and either the acid part eats through the plaform you need to stand on, or the clouds somehow break, spit you into the spikes, and leave you restarting all over again.
ouch. The rammers do crazy damage, but i've found the best way to earn money, is to do high cost kill missions, and charge just the marked ship, then dragonrush away. sure, i got 20 ships following me, but then i can pick em off 1 by 1. 5 out of 5 from me!