Harman Kardon 3490 has optical inputs if you can still find one. here are some reviews. It's been discontinued by the manufacturer though.
one here on Craigslist. Maybe he will ship?
I always consider the first episode the setup for things to come so I expect it to be a little slow. Mad Men always takes time to build.
I don't see the same old rut for Don. His wife is in LA, he has no job, he's got a lot of things to figure out.
Now Roger seems to be doing the same 'ol thing but having a lot of fun with it.
If you've got a large room the Take Classics will never sound good in there. They are made for small to medium sized room. They only have 3" drivers so they can't play very low and the sub has an 8" woofer. They really are made for smaller rooms.In your room it sounds like you'd needs some bookshelf speakers and a larger sub.
The E8 should be a good match with your C403's. The direct replacement for the E8-CEN.2 is the C60CEN which I own.
The matching center for your C403 is the C400CEN which is hard to find.
Jamo C60CEN which replaced the E8CEN.2
I believe all of the tweeters are soft dome tweeters. Here is a description of Decoupled Tweeter Technology (DTT) on page 3.