In Downtown:
Purple Cafe has half priced wine (under $50) on Sunday.
Barolo Ristorante has an excellent gay-friendly happy hour.
For pan Asian Wild Ginger is nice.
Both restaurants at W Hotel (Earth & Ocean) and Hotel Monaco (Sazerac) across the street are very gay friendly but you already know the "value" of hotel restaurants. Check out W Hotel's bar on Wednesday night for SIP (Social Interactive Playtime).
If you are looking for something in the Pike Place Market - Campagne or Cafe Campagne are a good chioce as well as Matt's in the Market. Maximilien in the Market has an excellent happy hour featuring French food.
Capitol Hill:
Hope you can make it up to Capitol Hill and try a dinner at Martin's Off Madison for a fully gay, relaxing, piano bar experience. Entertainment every night starting at 8 pm and pretty good food and decent value too and here is a Martin's Off Madison review.
Check out Crush on Capitol Hill as well for a quaint and straight but very gay friendly experience.