This is a guest post from Gary Sharma (aka “The Guy with the Red Tie”), founder & CEO of GarysGuide and proud owner of a whole bunch of black suits, white shirts and, at last count, over 40 red ties. You can follow him at @garysguide and reach him at gary [at] garysguide.com.

Alley vs. Valley 2.0?
Holy Guacamole! Am I hallucinating or are micro-blogging pioneer and Silicon Alley darling Tumblr and the latest social media "pinning" sensation, Reddit for girls and current Silicon Valley obsession Pinterest heading for an epic startup throwdown?

Tech Events
And now lets see what cool tech beans are percolating in the alley blender this week ...

AlwaysOn OnMedia NYC
With David Kirkpatrick (Author, The Facebook Effect, Founder of Techonomy and Columnist, Daily Beast), Gurbaksh Chahal (CEO, RadiumOne), Alan Patricof (Founder & Managing Director, Greycroft Partners), Bill Cleary (Founder, Cleary & Partners), Michael Lazerow (CEO, Buddy Media) and more.
Tuesday (Feb 21), 9 a.m. @ Time Warner Center, 60 Columbus Circle 10th Floor

NYC Tech Startup Tour: For Curious Developers
I have one word for you, SHWAGGGGG! ;)
Tuesday (Feb 21), 6:30 p.m. @ SquareSpace & ZocDoc, Broadway at Grand St

TechAviv NY Feb 2011 Meetup
Ever stay awake late at night wondering how to get Leonardo DiCaprio as an investor in ur lil' startup? Or even better, Paris "that's hot" Hilton as an avid user? Well duhhh, of course you do! Go learn how from Mobli VP Marekting, Gil Eyal who will spill the beans on how the breakaway photo sharing phenom managed to pull that off! ;)
Tuesday (Feb 21), 6:30 p.m. @ NYU Stern, 44 West 4th St Room 2-60

Daily Deals And Business Development
With Benjamin McKean (Co-founder & CEO, Savored), Florent Peyre (VP, Business Development & Strategy, Gilt City), Jonty Kelt (Co-founder & CEO, Group Commerce) and Cheryl Yeoh (Co-founder & CEO, CityPockets). Moderated by Vin Vacanti (Co-founder & CEO, Yipit)
Tuesday (Feb 21), 7 p.m. @ General Assembly, 902 Broadway 4th Floor

Made in NYC: Austin official kickoff party
Ready to party hard @ SXSW??! Heck, yeah. Can't wait another agonizing two weeks to let the craziness begin??! Heck, double yeah! Well, I may have something for you. ;)
Tuesday (Feb 21), 7 p.m. @ Tribeca Grand Hotel, 2 Avenue of the Americas

Digital Media MBA February 12 Happy Hour
Boozin' and schmoozin' with Vook founder Brad Inman and other startuppers.
Wednesday (Feb 22), 6:30 p.m. @ Gstaad, 43 West 26th Street

Startup Grind NYC
Entrepreneur extraordinaire Mike Yavonditte (CEO at Hashable, Partner at FF Ventures, CEO, Quigo) will be in da house for a fireside chat. Srsly, you NEED to not miss this one, m'kay?
Wednesday (Feb 22), 7 p.m. @ General Assembly, 902 Broadway 4th Floor

NJ Tech Meetup 21
Absolutely, positively, the best thing to come out of New Jersey since Snooki. ;)
Thursday (Feb 23), 6:30 p.m. @ Howe Center, Stevens Institute of Technology, Hoboken

NYC Gaming February Meetup
Demoing will be Tapfame, Techno Kitchen Adventure, Adventurer Conqueror King, Cloudberry, Gem Fatale and Against The Wall.
Thursday (Feb 23), 7 p.m. @ General Assembly, 902 Broadway 4th Floor

MassChallenge Soft Launch NYC
You know who just landed in town? Why only the largest-ever startup accelerator and competition, and the first to support high-impact, early-stage entrepreneurs with no strongs attached! That's who.
Thursday (Feb 23), 7 p.m. @ Hudson Terrace, 621 West 46th Street, New York

Music Apps Hack Weekend
$10,000 cash prize? In real money? Sign me up for that shizzle!
Friday (Feb 24), 6:30 p.m. @ SPiN Ping Pong Club, 49 E 23rd Street

Lean Startup Machine NYC
Trevor Owens has a dream. That one day every startup will understand and embrace the Art of being Lean. And with the amazing success of Lean Startup Machine, he is one step closer!
Friday (Feb 24), 7 p.m. @ Grind Space, 419 Park Avenue S

Photo Hack Day 2
Time to get your hack on, yo!
Saturday (Feb 25), 9 a.m. @ General Assembly, 902 Broadway 4th Floor

More on the horizon…
NY Tech Meetup (NYTM)on Feb 28 @ NYU Skirball Center For The Performing Arts
Cocktails and Conversations: Investing Well in Today’s Economy with Andy Rachleff, CEO of Wealthfront on Feb 29 @ SecondMarket Headquarters
Introduction to the NYC Startup Community on Mar 02 @ General Assembly
GA Career Fair on Mar 03 @ General Assembly
Learn How To Start A Venture Capital Firm on Mar 03 @ WeWork Midtown
Get Control of your F.A.T. (Finance, Accounting & Tax) in Your Lean Startup - Session 1: The Founder and the Entity on Mar 06 @ Marks Paneth & Shron LLP

Until next week. Stay thirsty social, my friends! ;)