If their calls aren't too annoying for you, I'd say go for it. Some live down the street, and they aren't annoying to me, I think they sound cool, but some people are bugged by them.
Then reality sets in and ...
Do you really want to 'keep' peafowl, but it was fun while it lasted. I'd have to try to hatch the pea eggs.
If you don't want to keep adults, you could always hatch them and offer them for re-homing or sale.
I can't stand overly noisy birds. I draw the line at peafowl and guineas.
Lisa