Oh crap, you're right. I like your idea much more than the lame increments I picked. Next time I'll use a logarithm or something.
To someone making 125k, it's more useful to know the distribution of the 25k above than to see them all in a single bucket.
Makes for much more accurate boasting: "they were offering me a 6.3 figure salary, but in the industry I'm in, it's no big deal"