Warhammer 40K: Eternal Crusade team fleshed out its previously mentioned plans for its founder program.
Within the next few months you will be able to buy a Founder's Pack for Warhammer 40,000: Eternal Crusade. Buying a Founder's Pack will give you full access to the full game at launch, and all four races. You'll also get to select unique rewards from the following categories:The developers promise updates to each category over time and also note that playable modules will become available much earlier to founders than to everyone else.
► Identity – Enhance your character's core identity with unique Founders-only squad emblems, Heroes, and background-related titles, biographies, and cosmetics
► Weapon Skins – Unique cosmetics for each race
► Armor Skins – Unique cosmetics for each race
► Space Ship Decorations – Unique cosmetics to dress up your Squad or Strike Force Cruiser's interior the way you want
► Miscellaneous – Unique execution animations and pets, both utility and non-combat
► Vehicles – Unique Founders-only vehicles
► Consumables – Extra ammunition, grenades, and other convenience items
► Accessories – Unique equipment pieces
[Thanks to Dengar for the tip!]