I probably would have also bailed and taken the (4), but at that time the is awful between 149th and 125th, and a complete nightmare between 42nd and 14th. I think one time in May I decided to take the from Grand Central and ended up passing 4 or so express trains between 42nd and 14th. I just take the to the instead whenever I leave around 8 just to avoid the ... (granted, it probably wouldn't have been as bad as yesterday.
I also probably could've walked over to the or , but since I was heading to Union Square that wouldn't have worked out for me.