Different sitrs on Analytics / webmaster tools: How Many is Too Many?

Sorry, different SITES was the correct spelling in the title.

I know most of you have tens, hundreds, etc of sites. Most of them either use G analytics (I assume...maybe not) and webmaster tools. Do you guys load them all into one account on analytics or WMT? Or are you spreading them out over several accounts? Or do you create a new account for each site?

The rationale being that google may get pissed off about something on one site, then shitlisting your entire portfolio, or somehow feeling your sites are less valuable because they all come from one account.

just use statcounter.com and don't worry about google knowing too much about your properties