Depending on where you are at, it may be faster to take a bus to the area. The Red Line has been plagued by slow zones on the north side lately so the ride takes closer to 30 minutes these days. On Michigan Ave (on the northbound side of the street), you can take a 147 Outer Drive Express bus. It will get on Lake Shore Drive and go express to Foster. Get off at the second stop (or third?) - right after the bus has turned on Sheridan and you are in front of the Dominicks supermarket. From there, it is a short two block walk south to Argyle (where you will take a right).
No matter where you go or how you get there, I hope you enjoy it!
BTW - I cannot understand why the Panda near my work in the Loop is always packed???