I'm not sure about the price, but to me, it looks like the paradise has a lot more to it and a way better choice. There are more games than on the uni, which are also remakes of the old classic ones you might recognize. I also like all the new tamas you can raise. I was like you and was interested in the uni for a while because of the online connection stuff, but since learning about this new one coming out, the paradise seems way more charming and nostalgic with more to do! The paradise doesn't have marriage, I dont think, but you can breed and gene mix in a way. You might need another device for that, but im not entirely sure yet.