Another great looking indie bundle for cheap:
http://www.indieroyale.com/
Only seen videos of
Cthulhu saves the world and
Breath of Death VII, great humour in them.
As for the pricing, it goes something like this (I think):
If everyone just pays the minimum, the price of the bundle gradually goes higher, but
if you pay X amount more than the current minimum price the price drops for everyone.