I was employed at Babies'R'Us during my first pregnancy and very familiar with the different baby carriers on the market.  Baby Bjorn was relatively new compared to other brands that appealed to a more "budgeted" audience.  Not knowing how much I would actually use the thing and not wanting to overspend on a silly thing like a carrier, I opted first for the $25 carrier. Big mistake.  I used it every day, and most nights, since my son had colic; and I liked the idea of wearing him rather than putting him in a swing or on the floor.  But I soon realized that the purchase choice I made was a...