Ok, I just bought myself a 4" blued Ruger GP100 in .357. I decided I needed a full size wheelgun! THis is a very nice gun, I'm very excited about it. I'll post pics soon. So, as I do with everything I buy, what should I do to customize it? What suggestions are there for grips, sights, etc.? I'll of course shoot it a bunch before I change anything, but getting a head start never hurt. Thanks.