I think they should do something similar to the Necrocasem (whatever its called) release a new vog level 31 and have it drop a raid shard (you get what I mean) that will allow you to upgrade your old raid armour/Weapons to the new ones. The new raid could also drop the upgraded versions that start at 300 but still only max out to 331 but perhaps have a shorter upgrade path as you would be starting fresh? They could continue this all the way up to light 40 and beyond and it would mean previously earned weapons dont become redundant you can still earn the new ones or you can upgrade the old ones?