The linked blog post discusses it, but I want to highly recommend "The Paradox of Choice" by Barry Schwartz [1]. He discusses psychological research showing why maximizing--attempting to have the best of everything--actually leads us to be less happy with our choices, not more.
Seek quality, sure--but decide what's "good enough," and stop looking when you find it.
That's why I follow sites like uncrate.com & Minimalissimo.com and buy my furniture from Stickley, etc. - find a few sources recommending high quality stuff and choose from there; I know it may not be "perfect" and know it will be expensive, but it will be good and I'll be happy with it.
Seek quality, sure--but decide what's "good enough," and stop looking when you find it.
[1] http://www.amazon.com/Paradox-Choice-Why-More-Less/dp/006000...