The Buffalo Angels, a division of the Western New York Venture Association, is an angel investor network limited to accredited investors.
Buffalo Angels are able to attend regular invitation-only meetings to consider pre-screened early-stage investment opportunities, contribute their expertise and knowledge during meetings and on due diligence teams, should be prepared to invest at least $15,000 per deal in one or more companies per year, and make his/her own investment decision on each deal.
Source: http://www.wnyventure.com/buffalo-angels