If you live in Boston, I assume you would see some bad winters?
If so, I recommend Continental DWS. I've had them on my Acura RL and they have been excellent, very quiet and good grip on all weathers.

If I decide not to with 20" upgrade, I will probably go the DWS route and call it a day.

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2011 X3 35i
2008 X5 4.8i
2003 330xi -sold-
2001 X5 4.4i -sold-
2001 M5 -sold-
2001 M Roadster (SCed, Highly modified) -sold-
2000 M Roadster -sold-
1995 325is -sold-