Personally, I am wary of Microtransactions as a whole.
Sure, $5 for Time Pilot sounds nice enough. But I bought Time Pilot 10 years ago as part of a $20 collection of 10 Konami games on a cd for the PS1. Which played on the PS2, and which hopefully will play on the PS3. (Unless they break the backwards compatiblity like MS did with the 360.)
And I can turn around and re-sell that collection to someone else. Something that cannot be done with Microtransaction games. I see the whole microtransactions as a backdoor way of not selling software, but licences.
Also, why is that bit about plunking quarters in the PS3 true, but the same isn't for the 360, when the same thing is happening with Lumines on Live? Worse, even.
Basically for $10, you only get part of the game. Once you get through that, you have to buy the rest of the levels for $10 more. And more songs and skins for more $. I fail to see how that is any different than what Sony is doing.
Anyway, game prices are still pretty low compared to the SNES/Genesis days, even at $60. Back then RPGs were $100 or more in some cases. (I think Phantasy Star IV was $120). It's pretty much entirely due to Sony that games dropped to $50 in the first place (since they went with cds which are cheap to press) and they are also the ones to pioneer $20 games.