I understand how you feel Sazzy. I feel the size is a bit small. That's why I don't make that many sigs anymore on AO. I find myself making way more sigs on my other sites because they excede our own size limit. I like how they come out, becuase they look better!! Like this sig for instance:
One sig that I feel like I actually did good on:
Sadly I can not use it. I'm to afraid what resizing it would do. My perferance in sig size is usually 450x200. But that's because I use it everytime. I just like the height to be around 200. Other than that everything is fine.