Bugaboo Frog.

What We Like:  Wheels detach easily for collapsing.  Cushioned, wheeled travel bag available for purchase.  Amazing wheels manage sand, snow and cobblestone streets with ease.

What We Don't Like:  Heavy.  Not recommended for gate-checking at the airport (must be checked as luggage). Expensive.

Price: $629

Stokke Xplory.

What We Like:  Navigates stairs well.  Child sits high and close.

What We Don't Like:  Expensive.  Doesn't perform well on uneven or broken surfaces (i.e., cobblestone streets or potholes).

Price: $750

Silver Cross Micro.

What We Like:  Lightweight.  Affordable.

What We Don't Like:  Reliable only on flat, predictable services.

Price:  $110

Inglesina Espresso.

What We Like:  Meant for handling the cobblestone streets and stairs.

What We Don't Like:  Rattling wheels.  Difficult for baby to sit upright.

Price:  $200

Maclaren Triumph.

What We Like:  Lightweight. Easy to maneuver.  Collapses easy.  Great price.

What We Don't Like:  Small sunshade.

Price:  $150

Quinny Zapp.

What We Like:  Lightweight.  Collapses well.  Easy to maneuver.

What We Don't Like:  No undercarriage storage.  Can tip easily when weight is placed on handles (i.e., diaper bag).

Price:  $169.99

UPPAbaby's G-Lite.

What We Like:  At only 8.3 lbs, you can handle carrying this with one hand. 

What We Don't Like:  We wouldn't dare chance it on the cobblestone streets of Paris.

Price: $120