// Spreadsheet: Pocket Excel (this really sucks) ... Sheet to Go //
There is spreadCE if you need more equation supports.
but of course everybody is waiting for planmaker to come out.
// MP3 Playing: PocketMusic ... pTunes
Multimedia: Windows Media Player/RealPlayer ... MoviePlay/Kinoma //
there are more multimedia players than that pMVP, pTV, etc...
Personally, I would have bought A716 over h5555.
It's a faster machine with bigger battery and extra CF slot, all for roughly same size. But it has no finger print scanner tho'.