If you're an avid cyclist or even just a recreational weekend biker, Mellow Johnny's will make you feel right at home. They have all of the gear you need and also offer group rides at several different times throughout the week. Did we also mention it's Lance Armstrong's bike store?
Big Top Candy Shop is going to be featured on the Discovery Channel soon for it's array of delectable candies, ice cream and homemade sodas. They have all of the candies from your childhood available for purchase - no matter when you grew up!
The Whole Foods HQ on Lamar and 6th wears the crown as their flagship store with everything healthy you could ever want and great BBQ too. Uncork a bottle of wine and head up to their rooftop to enjoy your fresh goods.
Waterloo is the kind of record store you always wanted to loiter at in the 90's -- an overwhelming amount of great albums on both vinyl and CD and a staff who will spend all day talking about it without you. Throughout SXSW and the year, they have live shows with free beer too.