A spinoff of Peter's UK thread. Votes for both parties' elections are OK.
Liberal
1966: Harold Holt
1968: Paul Hasluck
1969: Billy McMahon
1971: Billy McMahon
1974: Malcolm Fraser
1975: Malcolm Fraser
1982: Malcolm Fraser
1983: John Howard
1985: John Howard
1989: John Howard
1990: Peter Reith
1993: John Howard
1994: Alexander Downer
1995: John Howard
2007: Brendan Nelson
2008: Abstain
2009: Tony Abbott
ALP
1968: Jim Cairns
1977: Bill Hayden
1982: Bob Hawke
1983: Bob Hawke
June 1991: Paul Keating
December 1991: Paul Keating
2001: Simon Crean
2003: Mark Latham
2006: Kim Beazley
2010: Julia Gillard
2012: Kevin Rudd
Your Liberal picks are pretty much the same as mine, can't say who I'd vote for Labor leader though, if I did.