Slightly, yes. Most balanced generation, absolutely. Depending on who you ask and when you take the snapshot the PS3 got a couple million units ahead, on account of being in manufacturing longer in some regions.

No issues with the rest of your post, though. The original 360 didn't even come with a hard drive as standard, which I think people forget (but game devs had to struggle with for the whole generation, since back-compat with launch models was mandatory until very late).

The move of keeping it as cheap as possible and getting the money back in subscriptions proved very successful, though. I guess we're all paying the price of how forward looking that was, including Microsoft.