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[carpetsmoker]

one of first first winamps worked well on WIN95 with 32MB ram and 486/80Mhz processor.[/b]

Windows 95 can also run on a 486, but this doesn't say anything about the system requirements of vista...

I also seriously doubt that the first version of winamp worked well on 32MB RAM.
Works? yes, works well? no.
My laptop has 32MB RAM, and runs on FreeBSD in text-only mode (Like DOS, no GUI).
I play mp3 files with mpg123, which is probably the fastest mp3 player out there, it works, but when I save a large (~500 lines) textfile for example, the music will stutter...

In my experience, winamp is slow, much slower than foobar2000 for example.
I never tried playing video files with winamp though, only audio.