As someone who dislikes older incarnations of RS forks as they always came with faults that needed warranty work from new, I believe like most that RS are now sorted.
However I have just made the transition from X-Fusion to Bos Devilles and Bos Dizzys and gotta say, there is most definitely night and day feeling between them.
I would say if the Bos kit straight swaps over to your new frame then do it!
But then again, you could also give RS a go and join that following.
In the future, picking new forks and shocks would be a really tough choice imo as things have moved leaps and bounds over recent years so expect even more progress perhaps in that dept.
Only you can make the final call though, choose wisely and you shall jump far (Jedi voice)