Odd factoid: 1928 was the last time the GOP won a presidential election without Nixon or a Bush on the ticket.
Check it out:

1952: Eisenhower/Nixon
1956: Eisenhower/Nixon
1968: Nixon/Agnew
1972: Nixon/Agnew
1980: Reagan/Bush
1984: Reagan/Bush
1988: Bush/Quayle
2000: Bush/Cheney
2004: Bush/Cheney