I wonder how much reference you get with 10° pitch looking forward and seated correctly.
That you ask this question proves that you are not seated correctly. You should still be able to see the horizon.
very true so, but as any visual manoeuvre you should never forget to scan for your instruments. Or are you advocating a visual approach simply by looking out?
No you should build some waypoints in the FMC and let it fly in LNAV/VNAV or even better, decline since it too dangerous to hand fly a wide body aircraft