I own one of the first 997 that was made since August 5, 2004.

The car came with the Sport Chrono option so I didn't had the chance to think about picking it or not.

But after more than two years of daily driving here is what I think: if you are the kind of driver that is using a cup car or a GT3 each weekend, like some of the people I know are, than buy it. If not, I personally believe you are better without it. Even the above mentioned people are disabling it in the rain or snow. Driving in normal mode is safer, especially on public roads.

My next 997 will not have it or I am going to buy a GT3