Blues are hardier in terms of cold. India Blues can withstand far colder temps than green peafowl can. Here in Florida that wouldn't be a problem and I probably wouldn't need a heated roost if I got greens, but if you are somewhere cold then you need an indoor heated roost for them.
Jen, if you like the look of the green but don't want to worry as much about cold tolerance you might want to think about getting Spaldings. Spaldings are a hybrid of the India Blue and the Green peafowl, but they can breed unlike most hybrids. Of course India Blues are always great for first time peafowl owners, but if you really want something closer to a green than you might want a Spalding. Here is a page about them:
http://database.amyspeacockparadise.com/spalding.shtml
Still India Blues are the cheapest peafowl so you might want to try them first before getting something else. Blackshoulders are about the same for price and are very interesting too. I wouldn't try hatching eggs. At least get them as chicks. There are multiple pros and cons for each age peafowl you get...
Peachicks- If you get peachicks then you get to watch them grow up and you form more of a bond. They should end up tamer. BUT it will take a long time for them to get fully beautiful and be able to have peachicks of their own.
Yearlings- Getting yearling peafowl means they are more hardy than peachicks so they are less likely to randomly die, but they will be less tame because they were not raised by you. Still it can be easy to tame them down with a little time and food.
Adults- With adult peafowl you don't have to wait for them to get old enough to breed, and the peacock will have a train with eye feathers unlike a chick or a yearling which you will have to wait on to grow that pretty tail. Also the adults can make the calling noise, whereas the yearlings can only honk. Then again the adults haven't grown up around you and so will be probably less tame as a yearling bird would be, but still you can work with them and they might end up pretty tame.
It all depends on how long you want to wait. We couldn't wait for our yearling to grow out his train so we got an adult peacock. I think it was a good decision. This year our yearling is two with only one puny eye feather and our adult peacock is four with a beautiful train that he will shed at the end of summer for us to collect the 100 or more train feathers to put in a vase for decoration and sell to people for crafts, ect.
Ask a lot of questions when you visit the breeder. That is what we did when we first got peafowl. It will help clear up a lot of things and you can find out some background on the peafowl you are going to buy like what is their favorite food,ect. Take your time and check out all their peafowl before getting the first ones you see you want to make sure you get something good and what you really want.
