For those with portable notebooks (like recent Dell Latitude D410), you may find this useful. Description as of Ebuyer.com site:
Practical and extra slim slipcase to protect laptops up to 12.1 from surface damage.
With black and grey pinstripe lining, this stylish zip around slipcase is ideal as extra protection or simply to travel from one meeting to the other.
Includes 3 months i-TRAK service and fits laptops up to 29.5 x 23.5 x 3.5cm.
Price is correct with supersaver delivery option.