I agree with the last comment, the negative comments are completely unnecessary and innappropriate. Try spending your time helping Darfur instead of telling others how to help.
I love my bugaboo and I am not bragging, I worked hard and saved money to buy it, we are not rich and pretentious. It's a great stroller.
I used the bassinet when my daughter was very small, but like many others I used the carseat adaptor to use my carseat as well. I think it's only $40 and was well worth it. It's very easy and convenient if the baby is sleeping, you don't have to take her out of the carseat and put her into the stroller.
I stopped using my infant carseat arounf 6 months, so that is when we switched to the seat for the stroller. Personally, I felt it was safer to wait becuase the seat doesn't hug and the baby seems to slide around, it seems like the seat belts of the stroller aren;t as snug for a baby who is smalelr.
Good luck and pay no mind to jealous, bored people who have nothing nice to say.