AC's are good for 1 year from when they are deposited. Its trade value, I believe is the same as that which you deposited. Mine says what resort I deposited for it when I am searching with it.
Looking at the grid today, Each of the places below have availability sometime, some only 1 month out of the 12, others only off seasons. Dec, Jan and Feb in Myrtle Beach for example. I added some links at the bottom of some previous threads.
Andorra
Argentina, Buenos Aires
Argentina, Mar Del Plata & Pinamar
Argentina, Patagonia & Cuyo
Arizona, Lake Havasu
Arizona, Phoenix Area
Arizona, Rim Country
Arizona, Tucson Area
Arkansas, Ozarks
Austria, Alps
British Columbia, Central
British Columbia, Eastern
California and Nevada, Lake Tahoe
California, Palm Springs & Palm Desert
California, San Diego Area
China, Shanghai Province
Colombia, Cartagena & Santa Marta
Colombia, San Antero
Colorado, Breckenridge
Colorado, Vail, Avon & Beaver Creek
Colorado, Winter Park & Silver Creek
Croatia, Dalmatia
England, Lake District
England, Shires
Florida, Avon Park
Florida, Daytona Beach
Florida, Fort Lauderdale Coast
Florida, Orlando Florida, Panhandle
Florida, The Palm Beaches
Idaho
Illinois
Indiana
Ireland
Israel, Central and Northern
Israel, Eilat
Louisiana, New Orleans
Maine Coast
Maine, Central
Malta, Islands of Malta & Gozo
Massachusetts, Berkshires
Massachusetts, Cape Cod
Massachusetts, Martha's Vineyard & Nantu
Mexico, Acapulco
Mexico, Cancun
Mexico, Mazatlan
Mexico, Puerto Vallarta
Mexico, South Baja
Minnesota
Missouri, Branson
Missouri, Lake Ozark
Morocco, Central
Nevada, Reno
New Caledonia
New Hampshire Central
New Hampshire, Lakes Winnipesaukee & Win
New Jersey, Atlantic City
New York, Catskills
New Zealand, Turangi
North Carolina, Atlantic Beach
North Cyprus
Norway
Pennsylvania, Poconos
Portugal, Algarve South Carolina,
Hilton Head South Carolina, Myrtle Beach Area
Spain, Balearic Islands
Spain, Canaries, Fuerteventura
Spain, Canaries, Lanzarote
Spain, Canaries, Tenerife
Spain, Costa de la Luz Spain, Costa del Sol
Spain, Costa Blanca
Spain, Costa Brava & Costa Dorada
Tennessee, Gatlinburg
Tunisia
Turkey, South & West Coast
Uruguay, Punta Del Este
Utah, Park City and Snowbird
Venezuela, Central Coast
Venezuela, Margarita Island
Virginia, Northern
Virginia, Virginia Beach
Virginia, Williamsburg
Wales Wisconsin, Northern
http://www.tugbbs.com/forums/showpost.php?p=166867&postcount=5
http://www.tugbbs.com/forums/showthread.php?t=25924&highlight=grid
http://www.tugbbs.com/forums/showthread.php?t=25654&highlight=grid