Seeing the thread on car rental from Chicago reminded me that we have a trip planned this April where our Amtraking ends in Union Station DC. I was planning to rent a car from there, but now I'm getting nervous. There are certainly car rental offices at/near the station, but the reviews are brutal--no cars available, hours not being kept, etc. Now, I realize that people tend not to leave reviews when things go smoothly, so reviews are inherently skewed to the negative, so I thought I would ask--anyone done this, and if so, which company do you recommend? I was thinking that, worst case scenario, I'd go the DCA and rent at the airport, but I'd rather not drag myself and stuff out to the airport if I could avoid it.