New expanded dynamic search ad - popped up!

The 'New expanded dynamic search ad' is now an option when creating adverts in your PPC. As with a lot of Googles new developments it is definitely worth testing before diving right in but with these ads I think it will improve accounts for many people. Whilst the new ad style will be great in many circumstances I also think caution should be applied as leaving everything up to Google can be expensive. I would probably look to use a new expanded dynamic search ad once within my normal set of four ads which I run for an ad group.