Nah, let them take their time on that one.
I mean, imagine if they released it right now, only what they've got done already. You'd be pissed, right?
Now imagine HL2, HL2e1, and HL2e2 as one huge game. I mean, that's how I played it, and I enjoyed it so much more that way.
If you read any webcomics, it's kind of like an archive binge, where you stop reading altogether for a long time so that you can go back in and read about a book's worth of daily/weekly-updating strips without any waiting.