We had a 90 overclocked to 100Mhz that served as the family computer, I inherited from it when the family computer was upgraded to a K6 II and it chugged along as my personal computer until ~2001 thanks to Linux whike the Ghz barrier had been broken for a while already in the Intel world.

I think my next computer came with an AMD Duron 900Mhz, an entry level at the time but the jump from the pentium 100Mhz was such a huge gap it still felt like a formula 1.

To be more exact, I think the first great Pentium was the 133, but the 75 is the first that was a real, proper jump in performance from a fast 486 and represented decent price/performance.