Resolution & filtering
Render above native PS2 resolution where titles allow; some need per-game tweaks from the wiki or GameDB.
Capabilities
Why people use PCSX2
Sharper image, flexible controls, and tools that match how you play.
Pacing & speed
Frame limiters, turbo, and latency-related options for casual play or unstable games.
Controllers
XInput, DualShock-style maps, keyboard—bind what you need; pressure sensitivity where games require it.