Sounds like you're already on your way replacing bulbs but I can't stress enough turning OFF the machine while replacing bulbs. I was replacing bulbs on my Comet and the bulb holder in one of my pop bumpers had a loose tang at the bottom where it contacts the tip of the bulb. I was replacing the bulbs by hand and when I rotated the bulb to remove it the tang swung to the side and straight to ground. It didn't pop the fuse,...... It popped the board. A board repair later I was up and running again. It was an expensive lesson for me as I don't do my own board work. It only takes a second to turn it off, better safe than sorry.
I hadn't heard of pink under orange inserts before. I think the orange looks great under them but now I'm curious and I think I'll give that a try.
I agree about buying bulk bulbs instead of a kit. I bought a kit and it was hideous. After re-buying a bunch of bulk bulbs from Comet I'm finally happy and have about 75 colored bulbs kicking around now. I do think some sellers are better at kit colors than others probably due to more experience lighting pinball machines. I bought off eBay,what a mistake.