Macworld says that iWork '08's Numbers changes the spreadsheet paradigm. Mac guy Merlin Mann says Numbers is like the Excel librarian who ditches her horn-rims, opens a button and shakes her hair. We decided to give Numbers a test-drive ourselves to see if it really deserves all the praise. In fact, while Numbers isn't a revelation, it does for spreadsheets what the iPod did for MP3 players. Numbe