Jason M. Lemkin, SaaStr Fund. Co-founder/CEO at EchoSign (acq'd by Adobe),

Do interested VCs like short pitch decks that stimulate discussion, or detailed pitch decks that demonstrate thought thoroughness?

The average VC receives 500+ decks a year, maybe more. Don’t listen to folks who tell you send a “teaser”. Very few folks have time for that. Unless you already have an insanely proven team. In which case the team itself is the pitch anyway. And even there — send more detail.

Jason M. Lemkin, SaaStr Fund. Co-founder/CEO at EchoSign (acq'd by Adobe),

Do interested VCs like short pitch decks that stimulate discussion, or detailed pitch decks that demonstrate thought thoroughness?

The average VC receives 500+ decks a year, maybe more. Don’t listen to folks who tell you send a “teaser”. Very few folks have time for that. Unless you already have an insanely proven team. In which case the team itself is the pitch anyway. And even there — send more detail.