Fidelity Bank is guaranteeing a 2.00% APY through 12/31/09 for balances of at least $50K on its Money Market XTRA account. An additional 25 basis point bump is added when any checking account is opened with the Money Market XTRA. The rate falls considerably for lower balances: 1.00% for $10K to $50K and 0.50% for under $10K. Also, there's a $15/month fee for balances under $10K. This special is listed at the bank's Oklahoma webpage as of 7/05/09. The special is also listed at the bank's Kansas webpage, however, there's no mention of the rate guarantee.
Fidelity Bank has some decent ratings for safety and soundness: 3½ stars (good) at BauerFinancial (based on 3/31/09 data) and 4 stars (sound) at Bankrate.com (based on 12/31/08 data). The bank has been a FDIC member since 1957 (FDIC Certificate # 30895).