It is a great Idea! When a automobile company designs a car, or developers design an application. They focus on the capabilities they want to include. Then they can optimize the product to get the best performance. I Liken Installing SQL Server on a server to hitching a trailer on the family car. The trailer works fine and the job gets done, but If you were using the family car and the attached trailer every day, how long would it be before you were wishing you had a truck. The truck could be the perfect size, with a suspension and engine matched to your particular need. Sure it wouldn't do everything the family car did, but it would haul stuff better than the family car. You would probably have both parked in your driveway.