Okey here my thoughts
I really like the ticket system. It makes the hosting support more professional and it seems that the costumer has an exclusive servicer for him. (From a staff view) We really have the tickets organized and when we're giving support is really easy answer tickets. (From the user view) They can answer tickets via email, and it's really confortable because they don't have to navigate lots of pages.
Btw, I've voted for the forum support. If we're looking to have the "issues" organized, we have lots of forum categories like "Support level 2" etc... (even in the spanish community). We have the "quick answer" option so is not so difficult to answer neither. Also, when you wirte in the forums, you can set an style for the answer, I mean (Color, size, images ...) and I'ts better to read to have different colors and sizes than seeing everything black an white.
Now that we have the ticket system, we have increased our support, but we have decreased a lot the activity of the forums, and the forums is one thing that makes the hosting seem alive !