If you are satisfied with the pistol as is, I certainly would not spend the money for the upgrades. In my case, I was not satisfied with the heavy trigger pull. I opted to replace the sear. I also wanted to remove excessive trigger play so I chose to replace the standard trigger with a VQ...
+1 on the Ultradot. You get what you pay for and Ultradot is definitely quality. I have MatchDots on both of mine which allows you to change the dot MOA to 2, 4, 6, or 8.
As far as dot scopes go, you get what you pay for. You may want to check out the UltraDot scopes. I have two MatchDots and love them. The MatchDot gives you the ability to change the MOA to 2,4,6, or 8.
You probably know this but it is not really the scope or dot making the pistol shake. It only shows you how much you are already shaking due to the magnification.
You get what you pay for in optics. I have Ultradots on both of my Mark pistols and have been completely satisfied. I chose the MatchDot because I can change the MOA to 2, 4, 6, or 8.
I carry my LCP every day in my rear pocket. With this holster it prints like a wallet and also feels like one to me. It is so comfortable you will forget it is there. If the pistol is needed, you can pull it out so fast you won't believe it...
I don't know if there is an industry standard for Hyper Velocity ammo. I expect there probably is but I'm not sure. I have a box of Stingers. They state 1640 FPS and the box says Hyper Velocity.
This is straight from Rugers website:
What type of ammunition should I use in my Ruger .22 pistol?
The Ruger .22 pistols are chambered only for the .22 caliber Long Rifle cartridge, standard velocity or high-velocity, manufactured to U.S. Industry Standards. Do not attempt to load hyper...
I like them a lot. With the ones supplied, you have to find somewhere to put them when you take them off to start shooting. The flip-ups are just more convenient.