To throw a wrench in the mix, the latest issue of Excellence says the 997 GT3 with PASM rides better than even most sport sedans, which one can conclude that the 997 GT3 might be able to handle daily driving duties:

"Against all odds, Weissach has developed a track-biased, fully adjustable suspension system with an impressive secondary ride that also takes the edge off bumps in a way that most makers of sport sedans can only hope to replicate."