Recently Google announced that page speed will affect google page ranking. Matt Cutts, from Google, has assured us that this will only affect 1% of the sites being ranked and that for most of us this will be a non-issue. But we can still get all stressed out about it ;-)
One thing I do have an issue with is that frequently the cause of a slow loading site is Adsense, Google Analytics, and Google Maps. So, for google to take site speed into account when it is frequently their own scripts slowing things down seems a little hypocritical. If you want a 100% page speed score, then don’t use google’s stuff (or facebook’s bling either but that will the subject of another post).