So... what is the PC Suite actually for?

Correct me if I am wrong, please:
-I cant send messages from it
-I cant sync with multiple calendars from outlook (just one and not the one I wanted)
-I cant download my photos using the "store images" button
-I cant open "download maps"
-I cant install applications

There are 2 or 3 functions that are possible with it. For me the worse thing is not syncing with multiple calendars...

(Nokia Ovi suite doesnt support n900 either)

version 7.1.40.1
WinXP