Victoria 2 and Michael 2 both sell for $59.95 US. Stephanie (the new lady on the block) sells for $29.95 US. Those are the bare-naked models, without clothes, hair, or textures, all of which are sold separately, although you can find a growing number of free accessories here and at other sites.

I'm glad to see that a few people haven't been conquered by the almighty EURO yet. You could email the DAZ staff and ask about the exchange rate:

sales@daz3d.com

And this site has a universal currency converter:
XE.com

According to it, the current exchange rate is:
1 pound = 1.445 dollars
1 dollar = 0.692042 pounds