"The only downside is that a lot of people still don't have it."
And exactly as Mark suggests, really the only downside of doing so is performance.
"The only downside is that he might now be killed."
And that's the only downside; you might have to wait for a seat.
The only downside to the deal was that the character could not go home.
The only major downside to the design is that it required more power to run.
The only downside is it's quite far from the airport.
The only downside to this show is that it just makes you want more.
Perhaps the only downside, she said, came after her photo appeared with a article about the plan in the local paper.
The only downside is having to wait a week or two for delivery, but that's not such a big deal.