What surprises me is the huge discrepancy in the population per EV over the states. We have a similar "first past the post" system - but we vote for a party rather than an individual - with each of our "constituencies" sending 1 member to parliament: there are (apprx) 650 MPs so each constituency has about 100,000 poplulation. Every so often ,there is a review of the constituency populations, and if needs be the constituency boundaries are altered to give a fairer representation (doesn't happen very often).
As we're more of a 3 party state than US, the 3rd party (Liberal Democrats) have been complaining for the last umpteen years that the number of MPs that they send to London does not reflect the number of votes that they receive nationwide, and that some sort of Proportional Representation would be fairer. SO.......the last election gave no party overall majority, and so the Lib Dems formed a coalition with the Tory party with the proviso that there be a referendum on electoral reform. We've just had that referendum and it was rejected out-of-hand by the BrItish public!
I understand that Australia currently use an electoral system similar to the one rejected over here: that it's pretty-well hated countrywide and they want a quick return to first past the post. WombatBreath will be able to tell you more than I can.
Sorry if that's a bit -off-topic, but something I found interesting and hoped you might.