Well my browser shows it perfect, and its only minor coding errors. The reason you should follow the standards is because some very old browsers won't show pages proberbly. Like mobile phone browsers. But i don't think anyone would use a mobil to register on your server anyway, so you can leave it as it is.
And Traz please if you dont have anything constructive to say, then please dont post. Appaerently you have no idea how much time and effort it takes to make a website.