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We're only hours into the new year and you might be looking at the 2009 Kittens 'n Hats Calendar and thinking it is time for an upgrade, 2010 style. Here are ten suggestions for some incredibly sexy calendars featuring gorgeous men and the work of expert photographers!

Athletes 2010 Wall Calendar
The work of photographer Rick Day (previously featured) featuring images from his latest book, Players. The book and calendar includes HDJ favorite Bryan David Thomas (previously featured.)

Enlarge Photo | Credit: Rick Day

New York City Firefighters 2010 Gold Standard Calendar
Firefighter calendars are a staple of the calendar publishing industry. NYC Firefighters hopes the 2010 Calendar is a bit less controversial than the 2009 Calendar, featuring Michael Biserta on the cover who had also dabbled into adult video in a Guys Gone Wild DVD.

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Dieux du Stade 2010 Calendar
These Gods of the Stadium get everyone talking each year, and if you like the calendars you'll love the behind-the-scenes DVDs that are released every year too. This year's photographer for the now-iconic calendar was Tony Duran. We have more coverage of Dieux du Stade over the years.

Enlarge Photo | Credit: Tony Duran

Masculinity 2010 Calendar
Photographer Fred Goudon turns up the heat with this collection of images from his latest book, Virility. Check out his Masculinity 2010 Calendar from Provocateur, which includes some tasteful tush.

Enlarge Photo | Credit: Fred Goudon

Men of Reality TV 2010 Calendar
Benefiting kid's charities LEAP and Smiles for Life, some of your favorite male reality stars got together for this calendar. Includes photos of Dr. Bill Dorfman, Paul Vandervort, JP Calderon, Greg Plitt, Rib Hillis, TJ Wilk, and Maurice Townsell.

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Cool Down 2010 Wall Calendar
Photographer John Gress (previously featured) shares some amazing guys in the only calendar I've actually purchased this winter.

Enlarge Photo | Credit: John Gress

Dylan Rosser RED 2010 Calendar
Dylan Rosser has a keen eye for the male nude, and a current fondness of the color red - we can see why. The collections from Dylan always have searing heat... just be careful of the tacks holding this calendar up melting.

Enlarge Photo | Credit: Dylan Rosser

Gilles Marini 2010 Calendar
Sexy actor and model Gilles Marini has released a 2010 Calendar whose entire profits will be going to support The Maximum Hope Foundation. Hopefully his appearances in Sex and The City as well as on Dancing With The Stars will help boost what will probably already be stellar sales!

Enlarge Photo | Credit: Fred Goudon

Dream Guys 2010 Calendar
Photographer Sonny Tong (previously featured) shows off some of his feature work in his 2010 calendar, Dream Guys. Fun fact: Hunk du Jour featuring Sonny's work helped him land the calendar deal!

Enlarge Photo | Credit: Sonny Tong

Mark Jenkins Physique 2010 Calendar
Physique is one of the calendars Mark Jenkins has out this season -- another being the Basic Training 2010 calendar. Of the two I prefer this one -- contains more heads/faces then the Basic Training calendar. Though if abs are really your thing you might check out that one too.

Enlarge Photo | Credit: Mark Jenkins