@ Kain
The Flesh Render talent is a relic from before the errata, and has been changed to 500 xp. Thanks for the heads up
We also run a heavily modified wounds system, meaning that stun results are probably more commonplace in our game.
It's basically double the wounds total, but with critical effects occuring immediately, making fatigue the main danger for marines, as they shut down long before they're damaged beyond repair. Look at the link above for more details.
These haven't been playtested as yet, and are a work in progress right now.
From your comment, I have also decided to remove Duty Unto Death, as it seems it overlaps with Iron Jaw from reading the talents again, and goes a bit out of the fluff for me as well.
Luckily for me, none of the players have yet created a Space Wolf, as I still believe they need a bit of tweaking to become the ferocious warriors of Fenris, but still maintaining the balance of the game, I'm just not inspired by any of the current talents as more fitting to the Wolves.
On a side note, I've actually had my marines quite a bit out of their power armour to either infiltrate as scouts or in one case as "civilians" on a quarantined planet, which has given them quite a lot to think about with weapon choices and equipment in general, and also making less useful talents a lot more potent.
Thanks for the feed back.