I recently spoke to an alumna from the Langone program (I'd initially thought she did full-time, but I found out too late and decided to talk to her anyway) and she categorically said the the biggest complaints her colleagues in the program had were all related to the lack of effort put in by the school to help the part-timers with recruiters. The CCWP was practically useless - bear in mind she finished 2 years ago so maybe yubjub is right and it's gotten better now - and that led to a fair bit of animosity between the Langone and Stern FT students. However, consider this - any student signed up for a class at NYU's School of Continuing & Professional Studies also has access to the CCWP. And all NYU alumni. How many folks can they possibly help find jobs?
The Langone folks thought the OCD went out of their way to help the FTers get jobs (by hosting most recruiting events during the day for instance), and for their part the Stern folks thought some of evening classes meant primarily for the PTers had better, more experienced professors and ahem...smarter peers.
I'm not sure I see how you could get involved actively in any student clubs if you're only around a couple of evenings and/or the weekends? Given that Langone doesn't provide any recruiting stats, I think it would be very difficult to break into PE/VC without developing a professional network in that industry on your own.
All that said however, Langone is probably the best PT program in the country.