In text mode, there's nothing to indicate that a choose-one list (e.x., timezones) has the focus. For instance, in the disk druid, when adding a new partition, a fairly complex form is presented. While some items (mount point, [ok], [back]) have a very clear focus point, others, namely the mount type list (ext3, swap, ...), do not. The only hint that the mount type list is selected is that there is _no_ cursor/focus at all, trying the up/down arrows reveals what is going on.
This is thanks to newt (and one of many reasons why graphical installs are heavily recommended)
Is this PPC-specific? Taking off the PPC tracker bug.
*** This bug has been marked as a duplicate of 186053 ***