VG247 has a bunch of audio recordings of the presentations from EA's London studio showcase earlier today. The sound quality is a bit iffy, but the info is good. There's also a bunch of new screens. Mm, rich, tasty info. The lovely Ben Cousins on Battlefield Heroes. Both interview and presentation.The alien sex-fancier Ray "Bioware" Muzyka on Mass Effect PC. Hot.Talkomatic Paul Barnett on Warhammer…