It kinda helps to diversify a bit.
Yes, high Recharge is nice.
But having a couple REALLY durable (in their own right) people to alt-Tank helps a lot.
Here's a "Balls To The Wall" Recharge chaser.
It's already self-Permahastened.
On a group, it a group, it's possible to Recharge Hard Cap.
Some other things, the holy grail of attacks is:
Vengeance, Fallout, Mutation, while standing right next to them running Hot Feet and Choking Cloud.
Multi-Venge just makes the damage NUTS.
Also, your Accolade powers (Freedom Phalanx Reserve, Portal Jockey, Task FOrce Commander and The Atlas Medallion buff your Recovery a LOT.
IMNSHO, Agility is probably your most beneficial Incarnate. With Cardiac right behind. Since it reduces resting endurance, plus takes the Endurance consumption sting out of attacks too.
Agility, plus accolades inside a SINGLE Accel Metabolism puts your Recovery above 5 End/Sec.
On a team, you basically never run out.
And the basic tactic is, stick together close. Cover each other will all buffs and heals, and basically become a giant cluster-roomba of pain and death.