Dealing with Internet Explorer is an unsavory part of developing web sites. You can’t ignore it, and you want your sites design to look half decent on it with about half the effort that requires. Last time I tried to install IE6 to run under WINE, I completely failed. Today, I stumbled on these instructions for ies4linux, and in less I had the abominable IE windows running alongside the rest of my Linux applications. Hopefully, IE7 will be installable this way too.