Just a heads up on one of the better secrets in town - Tribeca Grill currently offers free corkage on Monday nights, a continuation of the policy started at Montrachet before it closed.
As usual, there is some etiquette involved with BYOB, even when corkage is gratis:
1. Always call ahead to confirm the restaurant's policy
2. BYOB is generally for better bottles - not a $15 Merlot you just grabbed from the corner liquor store
3. Offer the sommelier a taste of the wine - he/she is pouring, decanting etc. your wine at no profit to the restaurant
4. Consider ordering something off the list as well - even if just by-the-glass