I popped in the HL2 CD last night, hit run, and for some reason it ran DM by default! It did an upgrade/download and bingo. Easy as pie to get running, but I was getting absolutely slaughtered. For about 4 hours, LOL. I'm new to DMs but even so it was ridiculous. I was aiming at people with the machine gun spraying away and they hardly ever died. But I usually died first shot. Still a great laff tho.
I reckon my old video card & dodgy broadband connection are partly to blame.
P.S. Silly question: With a newer graphics card, when you pick up a large object with the gravity gun, does it go semi-transparent? It would be kinda nice if you could see to aim!