If you just do the PI swap you will end up wanting more power. If you just get a blower you will end up wanting more power. Why not build up your bottom end right now and throw in some low compression pistons and do the PI swap and get a supercharger. It will save you money in the long run on install unless you are doing it yourself. This modding game never ends so do it right the first time or you will spend a hell of alot of money on it in the long run.