I hate to say anything good about SF, but frankly only people in the NYC tech scene think they're in competition with SF. I doubt people in SF think much about the tech scene in NYC.
eBay's 6th Ave office costs $2-3 million per month (what's a million dollars between friends?).
(This isn't really relevant though. I just like reminding people huge sums of money are in play. Your little "$50k to $200k angel round" isn't as big a deal as you think.)