RE: Pentax KA lenses: what's good and what lasts?

[Alan Chan]

I did not compare them directly, but both A35-70/4 & A35-105/3.5 are very 
good optically.

Alan Chan
http://www.pbase.com/wlachan
Another question:  is the KA 35-105/3.5 either a) as good as,
b) about the same, or c) not quite as good as -- the KA 35-70/f4?