We have two of the Britax Boulevard seats (older version) that we got from albeebaby.com. HIGHLY recommend both the seat and the site...as in liked them both so much that we did it twice.
We have the Britax Roundabout for DD2, and the Marathon for DD1. I love them both. The Marathon is rather large, so beware. We have a minivan and it fits well, but I can't imagine it fitting into a small compact or sedan.
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We have the Marathon 70 and I like the seat, but it is so large! It's not the best for my Civic, but we're getting a new car in another year or so anyway.
We have the Advocate 70 CS and looooove it. We call it our magic seat because our daughter, who screamed every time we put her in the infant seat, falls asleep in the Britax every time we put her in it! It's a wider seat but we have a Santa Fe and can fit 2 adults in the backseat with the Britax in the middle.
We have a roundabout and marathon. I would not worry about getting one that has a high weight limit. If you plan on having more then one chances are you will be giving this seat to #2 and getting a forward facing seat that converts to a high backed booster for #1 when the time comes.
We have the Advocate C&S that we got from Albeebaby.com and we LOVE it!! Jackson couldn't be happier with it....he giggles when we put him. It is large however, but fits nicely in the back of my Jeep Liberty.
Re: britax
BFP(4) DD2 born 2.14.13 @ 35w5d due to pPROM
This and we love ours too!
We have the Britax Roundabout for DD2, and the Marathon for DD1. I love them both. The Marathon is rather large, so beware. We have a minivan and it fits well, but I can't imagine it fitting into a small compact or sedan.
We have the Blvd 70 and LOVE it.
This is us too, and I agree it's great. Beware, it is huge!
This. They are all 25% off right now too at albeebaby.com, with free shipping.