A copy of Vizzitor's post in another thread - worth having its own post.
"It came up at the meeting today talking about Bricks & Pieces that there's a site someone on Eurobricks created you can use to check new parts and filter pieces a lot easier. It lists the prices and only shows what's actually in stock so you don't have to spend ages looking through new set inventories or finding the part numbers. I didn't have the address saved on my phone but now I'm at home, here's the link: