$600 FIRM
Baby Jogger City Select Stroller
It comes with the second seat kit, one car seat adapter, universal baby jogger parent console, & two removable snack trays.
Best stroller ever for twins. Countless seat combinations. Easy to steer, both kids can have a view, adjustable height handlebar, & huge basket underneath.
http://www.babyjogger.com/city_select_dtl.aspx