Speck has launched a myriad of new cases for the iPod nano (with video), iPod touch, and iPod classic. Speck ToughSkin cases feature a rugged design with shock-absorbing rubberized bumpers and tear-resistant plastic. Available for the nano($25), touch ($25), and classic ($30), ToughSkin cases are available in black and clear. Previewed in our ‘08 iPod + iPhone Buyers’ Guide, Speck ArmorSkin cases for the nano($30), touch ($30), and classic…