It's a boy! I'm thrilled. I've always pictured myself being the mama of boys.
Exhibit A: Bean will clearly be the world's best brother.
Exhibit B: Indubitably boy. (His leg is tucked up under him. It's a direct crotch shot...which I thought twice about posting on the Internet, but then I thought about the 5 months of nausea and general malease he's caused and I felt perfectly fine with it.)
Gratuitous cute ultrasound pic: thumbs up!