It's different strokes for different folks. If you get the
same satisfaction of use from a sprint PM2 than from a Large 21, by all means save some money and go with the Spydie. That's really the difference you get from the extra $, a fairly intangible sense of satisfaction. It's why some people buy a Lexus instead of a Toyota.
But...there are some tangible comparisons that can go either way:
Can the Sebenza cut twice as well as the PM2? NO.
Is the Sebenza twice as ergonomic as the PM2? NO.
Is the Sebenza as fun to fondle as the addictive PM2 with Compression Lock? NO.
Will the Sebenza last twice as long as the PM2? Well...maybe. In fact, likely.
Which knife can be disassembled 100 times and fit together as if new? I'll let you answer that for yourself, but the correct answer won't begin with "P"
To see the value of the Sebenza over the PM2 takes less of a conventional approach. You have to think out of the box a bit and consider "satisfaction of use". Once you leave the comparison of the mundane, you see the sprint PM2 as a dressed up $100 knife and the Sebenza as a tool that'll be around to pass along to your children.
Now, you asked for personal experience. I only have one Large Sebenza and I used to carry it a lot for work in an industrial environment. The knife took everything I threw at it. Nowadays I carry a small 21 or small Inkosi in an office environment. Large or small, I'm confident that the CRK will deliver. I have several PM2s and they only make it into my pocket if I'm feeling a little nostalgic, lol.
Don't get me wrong. I love the PM2. It's one of the best, all-around knives you can buy for a little over $100...but, it's still a ~$100 knife regardless of G10 color or exotic blade steel.