Here's a useful resort comparison I found somewhere, but can't remember where. Lot's more than just this list, but it's a good starting point.
AKV
* a highly-themed resort; some people complain of its "darkness"
* offers extra official space for one person (in most 1BR and larger) in form of sleeper-chair
* offers extra bathroom (in 1BR and larger in Kidani Village section)
* the only
DVC resort to offer concierge category
* offers many different view categories that are points-dependent (including savanna view: you can see animals right outside your window)
* a hotel-style resort; connected to hotel
* remote from most other activities and parks (except DAK)
* offers Studio - Grand Villa accommodations
* home of the highly-regarded restaurant "Jiko"
* contract ends in 2057
BLT
* not a highly-themed resort; some people complain of its "retro" or cold decor
* quite points-intensive compared to older DVC resorts
* offers extra official space for one person (in most 1BR and larger) in form of sleeper-chair
* offers extra bathroom (in 1BR and larger)
* the only DVC resort to offer MK view
* offers 10% Standard View Villas, 10-20% Magic Kingdom View Villas, and 70-80% Bay Lake View Villas
* a hotel-style resort; connected to hotel
* right next door to MK
* offers "Top of the World" lounge from which to view MK fireworks (reservation required)
* has unique covered pedestrian bridge ("Sky Way Bridge") to connect it to CR
* offers Studio - Grand Villa accommodations
* short walk away from highly-regarded "California Grille" as well as "Chef Mickey's"
* Easy access to monorail resorts for pool hopping and restaurants
* contract ends in 2060
BCV
* beach theme
* only DVC resort to offer lazy river and large water play area (Storm Along Bay - SAB)
* a hotel-style resort; connected to hotel
* long walk from main areas to villas
* occasional complaints about cleanliness of villas
* desirable location between Disney's Hollywood Studios (DHS) and Epcot
* offers only Studio - 2BR accommodations (no Grand Villas)
* water activities available via BWV
* home of popular Beaches and Cream as well as Yachtsman Steakhouse
* across from BoardWalk, where restaurants and entertainment venues abound
* contract ends in 2042
BWV
* beach theme
* offers different view categories that are points-dependent (including board walk view)
* a hotel-style resort; connected to hotel
* long walk from lobby to villas
* desirable location between Disney's Hollywood Studios (DHS) and Epcot
* offers Studio - Grand Villa accommodations
* many restaurants and entertainment venues located in immediate vicinity
* water activities available (including "Breathless")
* contract ends in 2042
OKW
* Old Key West theme; most "well-developed" of all DVC resorts
* oldest of all DVC resorts; fairly large, too
* offers largest villas of all WDW DVC resorts
* Studio is distinct in that it offers 2 queen-size beds
* offers lowest point values for the accommodations
* condo-style resort; can offer close parking
* offers Studio - Grand Villa accommodations
* offers wide variety of water activities
* not close to parks; take bus or car
* only DVC resort to offer its owners an ownership extension
* contracts end in either 2042 (non-extension) or 2057 (extension)
SSR
* Saratoga Springs, NY theme (some people complain that it's not "Disney" enough)
* largest of all DVC resorts
* condo-style resort; easy access to parking
* offers unique TreeHouse Villas
* next door to Downtown Disney with its shopping, restaurants, and entertainment venues
* offers Studio - Grand Villa accommodations
* contract ends in 2054
VWL
* highly-themed Western / Wilderness theme; some people complain of its "darkness"
* smallest of DVC resorts
* hotel-style resort; connected to hotel
* close to Magic Kingdom, but must take boat to get there; must take buses everywhere else
* offers only Studio - 2BR (no Grand Villas)
* close to Bay Lake and thus, close to many water activities
* noted for its Christmas decorations
* home of popular restaurant "Artist's Point"
* near Hoop-Dee-Doo Revue
* contract ends in 2042