Not only that he failed in doing research before purchase...

MMS not working out of the box.. well install fmms from extras and there you go.

You ssh to your server?! so You might want to use some of the console tools for software installation! Just dump all repos in the sources.list and start using apt. Have you ever tried searching for an app with an iphone or any droid? You need extras and ovi and stick around just here at maemo.org or subscribe to TMO applications to get notice of anything application wise going on.

If you take a N900 with fresh install (flashed/OOTB and upgraded) you install just about 10 applications 1 theme and other fonts and you are done being able to do stuff no other piece of hardware is able to do if it has mobile-phone capabilities.

Alternatives? Not fully functional Meego is month away from ready and NITdroid is close but not fully functional either (no mic for calls).

What do you need? Navigation?
There is Mappero with voice navigation and if properly setup it works just fine.

What's wrong with the address-book? You may search, you may sort well no groups but who cares... taping a list icon is just as slow as typing two chars in the name field so you have a tag at your contact...
And there are several applications to make your life easier as grouping and contact ringtones and all other stuff.

So far for off-topic.

The answer to your thread title question is NO not yet ready but follow nitdroid.com they are the closest yet.