Bush got 2% bounce among RV and 4% among LV voters.
Historical Convention Bounces, 1964-2004 Gallup Polls, Registered Voters
Year
2004 Kerry -1 G.W. Bush 2
2000 Gore 8 G.W. Bush 8
1996 Clinton 5 Dole 3
1992 Clinton 16 G.H.W. Bush 5
1988 Dukakis 7 G.H.W. Bush 6
1984 Mondale 9 Reagan 4
1980 Carter 10 Reagan 8
1976 Carter 9 Ford 5
1972 McGovern 0 Nixon 7
1968 Humphrey 2 Nixon 5
1964 Johnson 3 Goldwater 5
http://www.gallup.com/content/?ci=12922