Lnchr is launcher for Palm and Treo:

It is fast, faster than the built-in launcher.
It is small.
It supports incremental application search / filter by the qwerty
It supports direct launching of an application by pressing the 1-9
numeric key.
It can hide icons of "Unfiled" category.
It shows 3 columns (both [123] and [abc] mode) or 4 columns ([abc
mode]) of icons.

Details at: http://www.palmgadget.com/lnchr.html