'big sites suck mode', eliminate any site listed in a 'top 1000 traffic' list.
AMEN! I can't tell you how many times I've wanted to shout at Google and say 'If I wanted Amazon, eBay or Wikipedia I'd have gone there directly, 43 results in top 50 are you kidding me!?!'. Thankfully it's not 43 of 50 anymore but still... BEGONE BIG BRAND, I ALREADY KNOW YOU!
I miss the days when Google brought me to little sites that there is no way I'd have found on my own, I miss them dearly.
I think if a site makes the top 1000 traffic list it should lose some pull with Google since Google is supposed to help us find content, not find big brand almost exclusively. Researchers regularly 'chop off' the top 10% and bottom 10% of results when presenting data, Google should too.