Limited aftermarket support, sloppy 'standard capacity' mags and questionable longevity in the market. Glad you enjoy yours. The couple people whom I know that bought one sold shortly thereafter.
Are we talking about a gun to shoot?
Or a gun to mod?
I didn't get the 597 to mod it, trick it out, or paint it pretty colors. I got it to shoot it.....and it does that extremely well for my purposes.
If you're wanting something that you can change & customize to your heart's e.....go with the 10-22. If you're looking for an out-of-the-box shooter.....the 597 should not be discounted. I've owned 3 different models and they all worked well for me.