Who said there is no Klingon PVE content ?
Look at this faboulos Klingon Raid against me...
After a long and tedious battle - fighting the klingons with my bare hands - they beat me, doing more than 10.000 damage to me (since i have so many HPs. Must be a lifetimer benefit...)
The minions i spawned where just trash the klingons didnt bother with a lot..
http://www.elli-e.de/temp2/2.jpg
And then i tried to corner the raid..but failed.
http://www.elli-e.de/temp2/3.jpg