MechCon 2017 page got an update and the Supporter Pack for this year is up for sale!
https://mwomercs.com/store/tournamentBy owning a Tournament Supporter Pack you'll receive the following rewards:
A 10% boost to all of your C-Bill and XP earnings. The duration over which the Boost is active is defined as starting from the time of your Tournament Supporter Pack purchase until December 9th at 11:59:59 PM PDT / December 10th at 7:55 AM UTC.
1 NEW Standing Cockpit Item
1 NEW Mounted Cockpit Item
1 NEW Hanging Cockpit Item
1 Decal
1 Badge
1 Title: "The Altruist"
Additionally Players who bought last years Supporter pack and this years will also receive an additional title "The Patron Saint".
Each Event run between the launch of the Tournament Supporter Pack and The MWO WC 2017 Finals will also contain Additional Rewards for players who own (or are gifted) the MechWarrior Online World Championship Tournament Supporter Pack 2017.
Example:
Bonus C-Bills for completing the Same challenges as other players
Bonus redeems for Loot Bag events
Custom Event Challenges
Again, the 10% bonus also stacks with bonus c-bills/xp you get with hero/champion/special 'Mechs and premium time, so among the best $10 you can spend on MWO!