There is some older polling data in this diary :

In the initial ballot, incumbent McMorris receives less than a majority of the vote against Goldmark despite a vast name recognition advantage. After both candidates get their messages out, Goldmark pulls into a virtual tie with McMorris--37% for Goldmark to 39% for McMorris.

also this diary has some info on second quarter number for this race:

Goldmark: $200,000
McMorris: $126,000