If you're not sick of Google Checkout already...

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A couple of sort-of noteable things that didn't make it into our story from earlier today.

• Neither a merchant's participation/non-participation or user ratings (enabled by the system) will impact the way their AdWords ads are ranked, Google told me. (But, as Chris Sherman notes, if users show a preference for clicking on ads with the little shopping cart icons, this may positively impact participating advertisers' rankings.)
  
• There are no plans, at this time, for integrating Checkout with AdWords in such a way to enable cost-per-action pricing for AdWords. This despite a much-buzzed-about CPA ad test. "We haven't been focused on CPA at this point in time," Benjamin Ling, Checkout's lead product manager, told me.