Dell :: Replacement Ideas For D620?

I have a 3+ yr old D620 that I have been really happy with. It is starting to show its wear and tear a bit,

I have lugged this thing everywhere on a daily basis. So, looking at the current Dell lineup, there doesn't seem to be anything that strikes me as a similar model.

Here is what I particularly like about it - and what I'd require in a new one:

1) Pretty durable solid build, including the way the screen locks pretty much in place - i.e. doesn't feel flimsy.