Getbig still ranks way higher than the other boards in traffic and visitors. Here's the Alexa rankings. (Lower number = higher traffic)
GetBig - 25,270
FlexOnline - 32,863
MuscularDevelopment - 40,259
(source: Alexa.com)
No matter what MD does, they are still miles behind GetBig in traffic. Funny that Flex's website (even though its pretty lame) is still ranking higher than MD's site. Thats a lot of MD dollars going down the drain.