(at around 55 mins) Buzzy grabs a bottle of wine. In the next shot, both characters are holding full glasses, then the shot switches back to the previous angle and Buzzy pours the wine into both glasses.
Towards the end of the film, the sleeves of Katie's (Caitlin Fitzgerald) NY Mets t-shirt go up and down between shots of her drinking coffee in the kitchen and living room.
In an outdoor scene with Burns and Bishe, there is no snow falling in her one-shots, a little in his, and a lot when they walk away in different directions.