Well, I think it depends on your situation.
If it's a daily driver, you may want to front the bill now and have an authorized VW dealer do it. If you're within the 100k period, you'll be reimbursed a percentage amount... However, who knows how long the reimbursement will take.
I'm hoping they issue a recall for those of us that haven't replaced ours yet. I'm in an awkward place, my GTI isn't a daily, I'm terrified to drive it, and I know I need to have it replaced lol.
Also keep an eye on this thread,
https://www.golfmk6.com/forums/showthread.php?t=47128&highlight=lawsuit