Re: Lack of integrated email/contacts/calendar?
"I use them every day at work, and they purely suck."
I have yet to see a better option.
"Outlook is a beast without comparison,"
Quite - no other product comes close to replacing it.
"Lync is faster than the crippleware Communicator, but has less functionality. "
Only if your IT staff have locked it down. Have they deployed Enterprise Voice? IM integration? Group Chat? Exchange Web Services integration?
"Sharepoint, is a pain to use, that may though be our IT departments fault can't really say, still a pain and I'm missing a lot of key functionality that I do expect from it."
Compared to what? And yes, Sharepoint is a framework, and it requires configuring / setting up properly.