Retailer leaks next-gen AMD Radeon HD 8000 mobile graphics inside Asus Vivobook

Give or take the odd roadmap, we're mostly in the dark about AMD's specific intentions for 2013. This spec sheet for an unannounced 13-inch Asus Vivobook U38DT drops a couple more crumbs, however, suggesting there'll be a fresh stack of Radeon HD 8000-series graphics chips before too long -- including a 8550M laptop variant with a gig of dedicated memory. It's hard to say anything definite beyond that, and in fact it's even possible that the 8550M will be a last-gen chip rebranded as part of nex...