Las Vegas Hotels Central Strip 3+ Stars from $43/night 2nd week of March.

Prices for March 7-13.

Hotwire is currently listing the following prices:
3 Stars = $69+
3.5 Stars = $63
4 Stars = $82
4.5 Stars = $89+
5 Stars = $94+
Click here. Adjust dates as necessary.

Alternatively, the Stratosphere Hotel has the same dates available from $43/night, and if you book through Orbitz.com here, you can enter promo code "welcome10" for 10% off!