found this on emedicine.com
Today, many men diagnosed with prostate cancer have early-stage disease
for which PLND (pelvic lymph node dissection) is not mandatory.
Consequently, the interest in radical perineal prostatectomy has seen a
resurgence. Radical perineal prostatectomy can be performed with less
blood loss, operative time, hospitalization, and patient convalescence
than radical retropubic prostatectomy.

Guess I was wrong.  Still....

Less blood loss for perineal compared to retropubic is the main advantage.
The disadvantage is that sparing of nerves is more challenging than
perineal.

IMHO, the skill of the surgeon is more important than than the technique.
There are some surgeons that specialize in perineal.  I did consult with
one but found an artist in retropubic and wanted the best chance for nerve
sparing (only age 50 at surgery)...

In my case the perineal procedure was the only realistic option.  My PSA was
high and there were indications that the capsule in which the prostate is
contained had ruptured or begun to rupture.

Age was another consideration.  I was 71 at the time and frankly, my sexual
life was almost over.  My surgeon had my wife and me in a room and he
interviewed us both, giving us to understand what the consequences would be.
When I asked about the retropubic procedure he told me that it wasn't a
realistic option.

Surgery itself was quick, little blood loss, recovery time in the hospital:
overnight.  I believe my surgeon was equally skilled in both RPP and RRP (he
told me he had performed several hundred prostatectomies).  He was a young
man (at my age anyone under 50  is very young), retired from the army where
he served at Fort Bliss, Texas, with the rank of Lt. Col.  I read the
diplomas on his wall and was satisfied that he was the man I wanted.  Except
for the obvious disadvantage now (alluded to earlier) I am satisfied that he
did an excellent job.  My PSA has held at <0.1 for more than four years.

Ken Bland

Some say you need to find a Surgeon who's done 100 PPs.

Would you feel nervous if you were No. 101?

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-- CC

I had 2 bladder neck resection procedures and 1 AMS 800 sphincter
implant from Dr. Laurence Levine at Rush in Chicago. (He was listed as
one of the top 10 or so urologists in Chicago by his peers.) He did
nice work and I am very happy. Dr. Levine uses the PP approach and says
(in his opinion), it is better than RP. I wish I had had my
prostatectomy done by him.