Why pay for DocumentstoGo when there is a version of Microsoft Office for WM6 floating around. I have it on my phone and you can use Word, Excel and Powerpoint. Here is the link:
http://www.qusers.com/forum/viewtopic.php?t=10194
I think the breakdown is if you need a robust, feature rich editing program, D2Go is probably best. But if you need it for basic editing of files the program from the above link should suit your needs.
If there is a way to get AIM to work on the Q and you find out how, hopefully free, please post back a reply so I can use it as well. LOL.
The attachment problem your referring to is in regards to not being able to attack pictures/videos with text messages. Not sure if its MMS or SMS, where the Q can't attach pictures/videos to text messages. Hope this helps.