Having started 4 companies I respectfully disagree.

If you treat investors as purely money, that's all you'll ever get from them. In this market though there's tons of money out there. It's more important to get smart money. And from my experience, it's just as important to get money that you like to be with. I made the mistake once of taking money/valuation over the person I preferred to work with and it haunted me for years having someone on my board who I never really liked.