I play in AZ an get regular comps in Laughlin and LV from Harrah's.

BC
> Comps do not transfer between properties.
> The only thing that transfers between
> properties is your card status...if you're
> Diamond based on play in Illinois...you will
> also be treated as a Diamond Customer in Las
> Vegas.

> Comps are earned at each property based on a
> weighted average of your last six trips.
> Trips are triggerd by rated play. When you
> start a trip at a property you've previously
> played at you will be given some comp
> dollars up front for your initial use. These
> up-front comps are then added to based on
> play that trip. Any trip comps you earn that
> day and don't use are lost. The only comps
> that seem to carry over are the up front
> comps calculated based on your previous six
> trip average. Any up-front comps you don't
> use that trip are then lost. When you show
> up for your next trip a new up front comp
> amount, based on the last six trips, is
> calculated for you. Remember, the last six
> trips are the last six at that
> property...not at any Harrah's. That is why
> it takes a while to get the comp train at
> Harrah's running...you have to put in three
> or four good trips before you get a high
> enough six trip average to generate up front
> comps.

> Harrah's, best features is their mailing
> offers.