They do NOT come with scopes/mounts, nor do they come with open sights, so a scope of some type is mandatory. My Legend is currently mounted with a 2 pc. set of Accushot high mounts that really should be changed to mediums, a little lower would probably give me a better cheek weld.
I didn't buy mine new, so I didn't pay $1300 for it, but even if I had, I'd have said it was worth every penny. I like your description, "never-look-back starting point", it's perfect for this rifle.
I don't know why PA doesn't sell these any more, I just know that AoA is the exclusive US source for the FX line. In 3 years of playing with "bb guns" I've only dealt with them once, bought some mags and pellets, everything went great. I say that because I've read lots of post from guys saying they wouldn't buy one of these guns because AoA was the only source. I take it their customer service leaves something to be desired. You might be able to find one used like I did, they do pop up now and then, and most are in .22. Got lucky on mine, I was actually looking for a .177, they're not nearly as common.
Don't forget the extra cost involved in filling PCP's, tanks, fill whips, etc. can add up in a hurry. But there's always options, living in the sticks like I do, I had to get creative. Keep us posted.
Dave