the good side to minority govt is often that they are kept much more to the will of the people knowing that if they go to any extreme, that they will lose and an election will be called.
but the bad side is they can't go far enough to fulfill their promises, so for example Mr. Harper who is now our 22cd Prime Minister, will be hard put to bring about the tax reforms that he promised nor will he be able to reform the justice system as far as he hoped.
the other bad side is because of that, he won't satisfy the conservative voters, and it gives time out of the public eye for the liberals to heal their wounds and ready themselves for the next election at which time they can promise the moon and people will have forgotten the problems they had.
(they were involved in some terrible scandal and the previous PM to Mr. Martin was Jean Chretien whose supporters in the liberal party actively worked to sabotage the election according to some talk going on now)
The problem the Conservatives will face after a short minority govt is that their comitted voters will be annoyed, and the undecided will be swinging away because not enough good happened, and they weren't able to follow thru.
Just human nature.