^^ yeah, I agree with this. People idolize the DX2/66 now, but that's really looking back through nostalgia goggles. Back when that's what everybody had , we all wanted to upgrade as quickly as possible. Even Doom can slow down on a DX2. A mid-range Pentium just does everything better, plus you get onboard IDE, PCI slots, maybe USB, no 540MB HDD limit, and a way more stable platform with mature chipsets. I love the 386/486 generation, but I've only got one left and I'm thinking of selling it because I just can't think of anything I need it for... if you want to have one to appreciate the hardware, more power to you, but as an all-purpose DOS gaming rig just go Socket 7.
That said, I've got heaps of DOS stuff that wants a decent P2 or K6-2, especially if you start playing at 640x480 or above. A slower Pentium and a faster (400-600MHz) P2/3 that can also run Win98 stuff is a pretty good balance, IMHO.
My current "do everything" DOS machine is a P233MMX with a fast video card & SDRAM, it's probably on par with a downclocked P2. I have a couple slower options but those are more about variety of configuration than absolute need. I've run into the Runtime Error 200 a couple times, but I think everything I hit that with had a patch.
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