So, leaving 3 hours of travel time to and from Manhattan (to be safe, since it's a weekend) and arriving 3 hours prior to departure, you'll have 2 hours to explore the city. Maybe 3 if you're very lucky. I guess you have to decide if that's worth it.
The Virtual Boy was released on July 21, 1995 (1995-07-21) in Japan and on August 16, 1995 (1995-08-16) in North America with the launch titles Mario's Tennis, Red Alarm, Teleroboxer, and Galactic Pinball. It was not released in PAL markets.
The Windows version of the game is also available for download separately through Valve's content delivery system, Steam, and was released as a standalone retail product on April 9, 2008. In addition to Portal, the Box also included Half-Life 2 and its two add-on episodes, as well as Team Fortress 2.