Yes, the Hotels in Scandinavia are very expensive. Here are few Helsinki Scandics w/my comments:

Scandic Hotel Grand Marina Helsinki
Tel: +358 9 16 661
About 10 yrs old, about 1 mile from downtown, nice.

Scandic Hotel Simonkenttä Helsinki
Tel: +358 (0) 9-68 380
Quite new, right in the middle of the city, very nice!

Scandic Hotel Kalastajatorppa Helsinki
Tel: +358 9 458 11
About 5 miles from downtown, seclusive upscale area, old & oldfashion, but prestige.

Scandic Hotel Continental Helsinki
Tel: +358 9 405 51
Old Intercontinental, about 1.5 miles from downtown - old, but no knowledge about possible remodel...

Scandic Hotel Marski Helsinki
Tel: +358 9 680 61
Right middle of the downtown. Old but has good reputation, use to have problem w/Russian hookers hanging in the bar...

Hope this helps!