That time of year is coming- snow tire recommendation

[TM]

It looks like I will need to buy snow tires this year, and
with my upcoming brake conversion, I plan on using my OEM
Avus wheels for winter use.

That said, what do you recommend for use on a 17x7.5" ET45
wheel on a '91 200q?

Mild Philly winters suggest a tire that is heavily dry-biased
with enough grip to handle light to medium snow and occasional
ice. I figure plenty of caution, quattro and winter tire compounds
will get me through w/o difficulty.

I need recommendations on tire sizes as well as models. I'm
currently considering 205/50R17 and 225/45R17 in terms of size
and am leaning toward the Dunlop Wintersport M2 as a tire. I
fear that Nokian NRW-H would be well over $150/tire.

Taka