A NIB P7M8 will set you back $1000-$1100 at present.
Is it "worth it"? Well, to me, yes. I have two.
There's no better gun in 9mm for CCW.
(This includes the nice flat magazines' making carry of spares easy.)
The 9mm cartridge is adequately powerful with careful load & bullet weight-configuration choice.
The P7 is both accurate & precise.
The trigger is single action, 4.0-4.5 lb.
The trigger action is ALWAYS THE SAME.
No safer gun exists, that is, no gun exists which is capable of being brought into action INSTANTLY, but is at the same time safer than the H&K P7 series.
No gun is more reliable, including revolvers.
The design is unique (or was, 'till partially & poorly copied by the Vector & one of the Hi-Point line, I think), and the engineering is well executed, of quality materials.
It's "worth it" to me.
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"Potius sero quam nunquam."