I'll add to all of that there is a worldwide shortage of chips at the moment (cpu and gpu). It affects gaming companies (PC and consoles products) but also car companies and some others. The few chip manufacturers out there (TSMC and Samsung for example) can't keep up with the demand created by millions and millions of quarantined people who took video games as a hobby.
All of this created over inflated prices all over the market. MSRP only exits in brochure and actual prices for cpu/gpu are 1.5x or 2x what it "should" be.
The retail sellers dont expect the situation to improve before Q2/Q3 2020.
A 2500$ budget should get you a monster pc shredding any game easily for the next 5 years (assuming you wait a couple months to see parts closer to their intended MSRP +10% or so)
! As far as A320 goes does MS tweak the program with updates based on consumer write ups?
The A320 included in the base game is a bit underwhelming for hardcore simmers.
Check out this mod :
https://flybywiresim.com/
It's free, with a very active community including several A320 drivers who intend to replicate every single switch and FMS function eventually.
Happy flying !