at Stardust, IP, Casino Royale, Riviera, Frontier, Flamingo, Terribles, Excaliber, Circus Circus, Westward Ho!, Sahara, anyplace downtown, most Coast and Station casino properties, Stratosphere, Az Charlies,
You'll get the least bang for your green chip buck at the higher end strip places like Mirage, Bellagio, Caesars, Paris, etc .
You will get the best comp value by matching your action to the casino who is targeting your market. A good rule of thumb is when the highest limit tables in the casino is close to your unit size. Most of the mid-level strip casinos the highest min is $25.