I'd love to know who you were talking to. I was just quoted (for the same package you mentioned):
Platinum $127/mth (Not bundled price - presume take $10 off if bundled)
iQHD Box $20.00/mth
Multi Room $10.00/mth (standard box)
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Total $157/mth
Note - this does not include pricing for the HD programming. Optus woman (who seemed very uninformed) had no idea when HD would come out, but said it would cost an additional amount to the above quote - ie the $20/month extra for iQHD box is just for the box, not for any additional content. She tried to tell me to install now, so I'd be "ready" when HD was released - in other words, I'd be paying $20/month for a bigger hard disk.
In addition, there would be an install fee of $199 for the HD iQ, and $99 for the standard iQ.
They already don't seem very interested.