The default UI theme changed last month, of course: are you referring to the new one
(CabbieV2) or the old? I don't think much of CabbieV2 either, but the new grey gradient-shaded
backdrop for the menu screens looks awesome (I've had iPod users on the train asking me how
they could make their iPods look so cool).
(I don't much like the default theme either, and spent five minutes hacking up a
mostly-textual detail-packed WPS, and five minutes with the GIMP turning out a blue-to-red
btw, the power-consumption problems on PP devices (which I think includes your Sansa as well
as the iPod) are now largely solved. :)