>>EULA that comes with SP1 still says 'Beta':
>
>No it is only happening to you and probably not others. This is a caching issue on your machine from previous betas of SP1. You might try clearing your cache, downloading the EXE file to your hard drive, then running it again.

Which cache you're refering to? I checked installation log and EULA is comming from iside of instalation package not from external file.

BTW, Ir's EULA that is shown during install. The one disk is correct.