This is a pretty subjective question but I'm looking for suggestions on whether to head down for a Wednesday to Sunday trip or a Sunday to Thursday trip early to mid-December. We're thinking about tacking on a Vegas trip to another trip and haven't decided whether to tack it on the before of the other trip (W-Su) or after the other trip (following week Su-Th).

There are some great posted rates Sunday to Thursday (eg $35/night at the Orleans) and I figure I might be able to get a discount by calling up some places where I've had some decent VP playtime.

The weekend rates are pretty much double (or more) than that of the weekday rates. However, we were wondering if there might be some more stuff going on or more atmosphere being there Friday and Saturday nights. Last year, I went mid-week and I forget when I went during past years so I don't have a weekend to compare to.
TIA.