Extra extra scientists baffled........tell us something we didn't know 

http://news.nationalgeographic.com/news/2012/02/120214-venus-planets-slower-spin-esa-space-science/

QuoteUltimately, he added, it's important to know exactly how fast the planet is spinning, since any possible future missions to explore Venus will need precise information to chose their landing sites.

could this last paragraph be a hint of there future plans? we will have to w8 and see.