I have had it back for quite some time. Actually, I thought I updated this post...
I believe it took about 1 month to get my flash back. There wan't much in the way of communication but the work order receipt did tell me what they fixed. It wasn't very personal or detailed. Mostly the work slip says "Fixed, Cleaned, Working" and "Internal parts replaced".
The workmanship is top notch. My Flash came back looking and functioning like new. It was even cleaned inside and out.
The whole process was basically painless and the results are great. I can vouch for our Pentax repair service. My only wish is there was a bit more of a personal touch, maybe a representative to speak to me, or a more personal touch to the work slip. Other than this, I am very very happy with the service I received.