I suppose that's down to cultural differences. I'd consider junk to be not useful anymore (I call my core2 duo junk but it was a powerhouse when I got it), but

I suppose that's down to cultural differences. I'd consider junk to be not useful anymore (I call my core2 duo junk but it was a powerhouse when I got it), but maybe a better word is defunct? According to dictionary, junk = Cheap, shoddy, or worthless.