I would argue the Arsenal team of last year were better than this years Chelsea outfit. An unbeaten domestic season while playing quick incisive one touch football was a joy to behold. Whereas the current Chelsea team have firm foundations Cech, Terry, Lampard, Makele they lack the flair of last years Gunners.
Milan 1990 - incorporating the cream of the Dutch Euro-1988 winners, Guillit, Rykarrd and Van Basten and the meanest defence in memory takes some beating.
Sadly my parents didn't own a telly for Brazil in Mexico 1970 - but whenever you see Pele et al, in technicolour it looks wonderful!