I'm not a fan of the m/s decoder in Wavelab5 and found a nice VST plugin that's free and is much better than the m/s decoder that's in the ToolsOne effect from Wavelab imo. It's from Kelly Industries, does everything ToolsOne does & then some. Looks like this:
available here:
http://www.kellyindustries.com/stereo_tools.htmlOf course, if anyone knows of any other free plugin that's similar or better I'd love to know about it. Thanks.