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Mark,
I'm in a similar situation with the horizon at home. I don't know about suggesting named stars to answer this post as it will depend on what time and your location as to what is suitable. I tend to focus on the scope position and then find a bright enough star:
For AZ adjustment you are looking for a star near the intersection of the meridian and the celestial equator. I find the easiest way to do this is to set the scope up with the counterweight bar horizontal and with the OTA at right angles to the polar axis and the look through the finder scope for a bright enough star in this region. It doesn't have to be exactly on the intersection - just near it.
For ALT you want a star on the celestial equator near either horizon. To find this point leave the DEC axis as it was for the AZ step and rotate the RA axis (I tend to go for the Eastern horizon however the West will also work) so the scope is pointing somewhere closer toward the horizon - the best I can do is about 30-40 degrees in the East. Again look through the finder scope and find a bright enough star in this region and centre it.
Hope this is what you were looking for. If you have a licensed copy of Astroplanner it has a function that suggests suitable stars and will drive the scope to them for you.
Peter.
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