This might be a good time to consider a new computer. Vista is extremely sluggish with just 512 MB, yet Rambus is notoriously expensive if you need to upgrade. And if you got a new computer, you'd get ...
If I were to configure a Dell E6420 with the "128GB Solid State Drive Mini card" then (presumably) the 2.5" HD bay will be unoccupied. Will it allow me to add a 2.5" hard disc for some slower but ...