Akihabara is a fascinating place, and I enjoy visiting occasionally. Every time I go I try to make time to pick through the offerings at the Mint/Yellow Submarine card store near the station. In fact, I went twice in a month. How do they keep sneaking new oddball cards into the mix from years ago? Where do these random cards come from? How did I miss them before? The store is quite unorganized and has more Idol card singles than baseball card singles, but a bit of hunting always turns up something good.
These days, it's the inexpensive random numbered cards that keep me coming back.