I've finally made the transition to cloth, after 6 weeks in disposables. My latest conundrum? Fitting everything I need in the diaper bag. I currently have the skip hop bento bag, and I find myself stuffing it with everything I need. Any suggestions?

I'd like to be able to fit in a bag ( and be able to easily access, without unpacking the whole darn thing!):

4 AIOs
Wipes container
Wet bag
Nursing cover
Bottle & formula tupperware container
Burp cloths
Change of clothes for LO
Small wallet, car keys, cellphone (maybe an exterior pocket for this)

Is this diaper bag a mystical unicorn? Anyone have something that you think would work (and is fairly reasonable in price)?

Thanks!