I have gotten all the LPs unlocked. I really enjoyed it since I got to try different weapons I normally wouldn't have. As for pistols, I've consistently gotten 22+ kills a match when soloing with just the Para only. Its range, power, blind-fire accuracy, and fire-rate outclass a lot of primaries.
I've noticed blindfire accuracy is high with pistols after being shot while a person ran from me and downed me with two bullets. I just kinda sat there stunned for a second and realized I'm taking MP in this game too seriously because it's not a PvP game. Sucks because I'm trying to scratch that PvP itch and the imbalance in some of these games is frustrating.
The SP on the other hand has been top notch and I just made it to chapter 11. I can see a lot of ways how this can all play out, plus a ton of not so obvious stuff that is neatly tucked into the story. I hope I'm wrong about a lot of things and I can't wait to finish this one.