Wheatland Bank is offering some very competitive CD rates. A yield of 4.00% APY is being offered on CD terms from 12 months to 36 months, and a yield of 4.50% APY is being offered for the 48 and 60-month terms. The minimum deposit is $2,500. In additional to personal CD's, the rates apply to business and IRA CD's.
It's a small bank so it appears likely they'll limit products to their local market. The bank is located in Naperville, Illinois which is in the suburbs of Chicago. It's a new bank that was just established in 2007 (FDIC Certificate # 58429).