Back Up Carseat Recommendations

[SeattleRain]

I just ordered a True Fit Recline for my 8.5 month old. I'm super excited about it, but I am also acknowledging that I will need another carseat for travel as I don't see the True Fit coming in and out of our car. We only have one car so I frequently ride with friends, which has been easy while Daniel is in the bucket. He still has another inch or two in his KF30 so he'll be fine in there for another month or two, but I need to get a back up convertible. When I'm not in my car, I'm in a friend's 2010 Chevy Traverse. I like to install his seat in one of the captain's chairs because she has a lot of other seats in the back and I don't like to contend with all of them. I don't want to spend a lot of time installing this thing all the time, so I'd like it to be an easy install carseat that is relatively cheap. Under $100 would be lovely. What do you suggest?

[TheGirls]

We've had great luck with our Cosco Scenera as a backup seat.  It's cheap ($50 or so) very lightweight, and I find it easy to install.  Some folks seem to have trouble with the install, but it seriously hasn't ever taken me more than 2 minutes (aside from the first time I installed it).  Often I can do it in under a minute. 

[chel]

we have a truefit in the main car and a scenera in the backup car.