I run WB3.0 on KS3.1...
I got the ROMs from a 2nd Amiga I bought for some other hardware it had installed.
Never got round to getting WB3.1, OS3.5 or OS3.9, but my interest in the Amiga has been rekindled somewhat by the new Indivision SD/FF so I'll probably pick up OS3.9 from ebay sometime soon.
AndyC
