Odd banking situation.... getting cash in Vegas

[octaveshift]

I'm a Colorado resident, but my banks (BofA + eTrade) don't have branches in this state.

I'm headed to Vegas this coming Thursday, and I'd like to bring $5000 in cash. I'm staying at the Bellagio- I know they will cash a check (max $1000?) at the cage for me.... but I'm wondering what the best way to get $5k in cash would be.

Does anyone know what the general ATM limits are in Vegas? Should I just wire the money?

I'd EFT the cash to my local credit union, but I am sure there is some sort of "hold" period where I wouldn't be able to withdraw it.

(I've tried searching, but I guess I haven't found the optimal search term.)