theres no harm in looking now to get an idea of what suits you and what youd like.
I started plainning a September wedding in March and was told by a few shops that Id left it too late for many dresses to be in stock in time. I ended up getting mine designed and made instead and of course that way it was exactly as i liked.
y not start now i think the most destressful and fun part of planning a wedding is trying all these different styles of dresses and people waiting on you hand and foot. the more dresses you try on the more variety you have.goon have some fun.