Remember to put a message in the friend request like 'NGU Online ID's Thread' or something so they know where you're adding them from as it'll save them declining a random blank friend request then.
Keep it clean so people know if they should add you or not, Use the template below for example.
PSN - Example
Region/Timezone - UK/GMT +0
Games I'll be getting - Need For Speed, Assassin's Creed 4, Watch_Dogs, Killzone Shadow fall.