These ones here should not be to difficult to pick up on Ebay:
11-073 lord gunthar
11-517 drow elves II
11-518 male driders
11-519 female driders
With some patience you should get them for around $15-$30 each
These ones:
11-085 quilue veladom
11-086 selune
These two are real tough tough find

Quilie was was last one I needed for a few years and I ended up shelling out around $95 for it. Selune is also very difficult to get; I was lucky and actually had two for a short while and ended up selling my extra for around $150.
Good luck these are very cool minis

Games can get you through times of no money but money can not get you through times of no games!!