Ok, now that i know this is a real question .. Steven you should check out these videos, it says a lot about Mondo and who they are and what they do.
http://www.youtube.com/playlist?list=PL4B208D7C8786E947As for the prices, it's a super limited print .. it's not like the mass produced posters that most of us collect here. There is also a magical mixture of the title, artist, time of release and some hype prior to release that all goes into making up how well a poster will sell and will also effect its long term value. I say "magical" because you cannot predict which will do well and which will not, well most of the time.. there are times you can for sure predict which prints will flop.
Some of the greatest Mondo artist do some really nice posters but for some reason they just do not reach that magical point that makes them holy grails of collecting.
If you buy the ones that you love, then you shouldn't worry about price. Just do some research first. Some ebay prices are literally 2-5x what the poster is really worth and actively selling for. Those auctions are just profiteers looking to cash in on an unsuspecting buyer or trying to artificially inflate the market value of that poster.
If you'd like let me know which posters you are looking to pick up, I may have them or could let you know what a fair price is and help you find some to purchase.