They are an excellent deal at $500 or below. Most people will spend $850+ for a regular SIG. More with certain features. $650+ for CPOs.
The SP 2022 delivers the accuracy, reliability, quality, at a slightly reduced rate for almost half the price. Most of the new ones come with 2 mags, 2 grips, and night sights. LE versions come with 3 mags, night sights, etc. The finish and quality of the slide is identical to any P model. The DA trigger is usually smoother OTB. The SA pull is very good and gets better with use. The DA becomes butter. The grips change the feel - to me one feels more SIG-like, the other makes it more like an XD.
They are EASY to shoot ACCURATELY - laser like. The barrel to slide lockup is like a bank vault.
CZ P07s are great guns, but the trigger will NOT be as refined OTB. Most people end up spending another hundred modding the springs to get a more shootable trigger. Many threads on this. They also cost a tad more and the mags are ALL over $40. (I DO LIKE the P07, and am a CZ guy). Also, sights for the CZ are very limited. The SP takes all SIG P series sights.
I do think the FNX is worth a good look at $100 more. They MIGHT not have quite the trigger, but are lighter and smaller.
BTW - the SP 2022 track record has been better over the past ten years than the P series.