Best Bras

I was a small C before I got pregnant. I knew I was pregnant because by 8 weeks, I was a very full D. I bought new bras then and now at 25 weeks, they're too small! I don't want to buy new bras again and buy nursing bras when the baby is born. With my first two kids, I did not have this problem. I was in the same bras throughout my entire pregnancies and just used a nursing bra after I had them. Now that I am quite a bit bigger, I need something with support. What bras have you found to be the most comfortable for regular use and nursing?