Indeed, the inventory in Las Vegas dropped from 10k level a year ago to 4k level now according to a local real estate agent in LV. The price bouncing back 20% may not seem be a lot compared to PHM and ITB. However, you used leverage with bank money and 20% down,your return may be 100% or more.
The important points are
1) It's good indicator that housing bottom is over.
2) You get 15-20% Cap Rate which works like a great divident of stocks besides the price appreciation mentioned above.
It's really lifetime opportunity to add this kind of investment to your portfolio.