I guess you could also save a camera position looking straight down for entering cities. The you can mouse look on a clone if you need to hit the banker, guild bank, vendor etc...

That should help with frame rate and disk access on the clones. I just might try this myself tonight. Save 2 camera views, one straight down and the other a normal look (behind and up a little). I have an xkeys pro and an xkeys stick for the extra button goodness. With crusader aura and epic land mounts I frequently lose a clone in shat .