speeds are excellent - they have some nice transit, are one hop away from nyiix and have backhaul to quite a few peering points elsewhere.
given the fact that they are in the same league as internap in terms of reliability, the pricing is very agreeable. however, it gets agreeable when you get to a higher commit.
yes, there are resellers and your best bet would be to post in the collocation requests forum or just do a search. both you and i are aware that this question can not be answered here.