I dunno. That Nashbar bike looks too nice to lock up. For the purpose you stated, I'd get something used, a little beat up, and that basically no one cares to steal.

Something like this:


Yeah, it's a MTB, but the point is that I feel comfortable locking it up all day long. You can likely find something suitable in your local used market for less than $100, and with a bit of cleaning and greasing, ride like new.