I went with the stock SVT struts and shocks, part number M-18000-ZX3. This spring/damper combo is commonly referred to as the FRPP kit.
You can also go with something a bit more aggressive like the Koni "Orange" ST.R or Koni Yellow, but they are more expensive.
Mine: 2008 Saab 9-3 Aero SportCombi XWD: 84k, Black, MANUAL
Gone: 2002 SVT, #1654
Hers: 2010 Focus SES: 73k, Ebony, Auto, Moon and Tune