It's more of 'is this user important or not', a lot of people are serious.
Serious / important people:
conspirosphere.tk
PsychoticBoy - runs ABM
usagi - ran GLBSE funds with questionable practices, silver asset is pretty legit
TradeFortress - btcinvest looks promising
Deprived - very active in the securities section with high quality contributions
MPOE-PR frequently trolling but you're stupid if you ignore her
Namworld - runs various high quality assets (except BTCMINING which loaned out their coins during the period where loans were like the mortgage bubble)
Totally ignore because troll
Monster Tent - "P.S. In almost all cases where someone uses a woman as their forum avatar they turn out to be a scammer. " LOL
Just irrelevant (/ not important)
The people here aren't people you should ignore - a lot of people here trade bitcoins, buys assets, et cetra but they're not really people I consider important.
Tritonio
marketersales - asks for loans and lawns straight out of newbie queue
regular
camolist - not important
stochastic - lots of posts, doesn't matter
viboracecata
Bitinvestor
dishwara - not important, he did run the DISHWARA asset in a pretty joke style
Undetermined
WinTame2012
Post an address and claim your prize.
Not quite the rankings I'd give. I'd throw some people in different categories. Still, it seems like you put some effort into it.
It's pretty subjective, and I wouldn't call for anyone to ignore people on the 'not important' list. My criteria is pretty much if you provide something useful to bitcoin or the bitcon economy, wheneither it's pull requests to the reference client, your own shiny client, some cool vanity address generator, an asset that doesn't suck, or affiliated with a site doing major value, you're important. Otherwise, it doesn't really matter if you inflated your post counts to "Hero member" and answers fifty mining questions

My tip address is 1dicejfAj5CjiS2eyU4LiJUtK5wkfGrsD - if I'm happy, you might get some more bitcoins back
