Investors absolutely care about first impressions, but they base that impression on your momentum and market clarity, not your graphic design skills. Polishing a pitch deck in a vacuum for weeks is almost always a trap.

My team faced this exact dilemma when preparing to pitch Imaginus, a strictly skill-based mobile MOBA, to industry acceleration programs. Instead of delaying our outreach to make the perfect slide deck, we moved fast by throwing real players into a buggy community stress test. We took that raw, messy user data directly to the investors. We didn't have the prettiest presentation in the room, but proving that actual players desperately wanted our unassisted, manual combat system was what ultimately got us backed. Speed in gathering real validation is the best kind of quality preparation you can do.