The new version. Have you seen the new L6 rendering? The new L2 will almost certainly suffer from the same flaws in the exact same places.
edit: Discussion: Convoy L6... XHP70 Beast! post 28
I remember you also posted a 1 x 18650 light about a month ago (non convoy) that left proper critical aluminum thickness in the head to circulate heat throughout the entire surface. Did that ever make it into production? 