I think it COMPLETELY depends on the deal you're getting. For 5 nights at the Courtyard Marriott at Downtown Disney, roundtrip airfare from Buffalo, 4 day hopper passes, and transfers, I paid $492 in January. Assuming my airfare was about $180 (That's about what I'm paying on Southwest....Delta may have even been more for just the airfare, but I'm not sure because it was a package) my hotel room came out to about $55/night including taxes based on an occupancy of 3, and I don't believe I could have found ANYTHING cheaper than that. I booked it through onlinevacationmall.com. I would HIGHLY reccomend them. Take a look at their hotel only rates. I got POR for $84.50/night INCLUDING taxes, which is cheaper than with the discount code Disney has right now. I believe it's $89/night BEFORE taxes.
So I say, do your research, and if your package deal is a deal, book it as a package!