Many of us are guilty of this. Instead of focusing on the execution of our most important initiatives, we keep coming up with new ideas. In some ways this is critical in the new economy, where everything moves very quickly. You have to be alert and opportunistic.
That said, there’s a real danger in spreading yourself too thin. You have to learn to focus on what’s important. This article explains the concept in the terms of domain names for Internet entrepreneurs. If you have over 300 domain names, maybe you’re brainstorming too much and not executing enough?