Yeah, well, you could get a real guy program that is actualy designed to handle png files like macromedia Fireworks you can usualy get a copy cheep on ebay [Link: cgi.ebay.com]
Why would you want fire works? Well go to this site for example http://www.mickjagger.com/ the whole site was built using macromedia fireworks and dreamweaver, all the fancy PNG stuff was done in Fireworks