Filed under: Cellphones, LaptopsWe already know that HP has its sights on touchscreen technology as it re-invents its product portfolio over the next 18 16 months or so. HP has already demonstrated a flair for touchscreen PCs with its TouchSmart desktops. It's now being reported by The Wall Street Journal that HP plans to have a consumer oriented, touch-screen laptop (not just another convertible tablet, apparently) ready by the en