I don't know if this is the place for feedbackup, but her
You are! Make your customers happy.

1. The corporate directory search field under Contacts,
should always be visible/fixed. Now it slides away when you
scroll down. OK when you know about it, but this is not
optimal UI.

2. iMO shoud be able to handle standard ics attachements
files as invitations when you click/touch them. Today they
are marked as "illegal" files ?