I've often wondered what impact Fed would have had if he were born just a few years earlier and played at his '04-'07 level on the faster conditions. Fed/Sampras deserved to be more than a one-and-done rivalry. Fed/Agassi before 'Dre's downturn would also have been exciting.
"When a man is tired of London, he is tired of life"...Samuel Johnson 1777
"When a man is tired of Federer, he is tired of tennis"...stringertom 2014