I thought that I would share this neat graphic from Electoral-vote.com with you.

The lines represent  the number of electoral votes (EVs) that McCain or Obama will get (according to electoral-vote.com).

From electoral-vote.com:

The graph above shows the current number of electoral votes for each candidate since Mar 22, The brown horizontal line shows the 270 electoral vote mark needed to be elected president. The gray vertical lines show the boundaries between the months.