I believe Sunny 99.1 KODA has flipped to Christmas music too.
Last year Sirius XM had four to five holiday channels and 2010 is no different:
12 pm ET November 15 - December 31
Holly (SIRIUS Ch. 3, XM Ch. 23) will feature contemporary holiday music as well as traditional favorites, including songs by John Mayer, Colbie Caillat, Josh Groban, Mariah Carey and Michael Buble. *Holly is heard online at SIRIUS XM Limited Engagements SIRIUS Ch. 810, XM Ch. 39
12 pm ET November 15 - January 1
Holiday Traditions (SIRIUS Ch. 4, XM Ch. 4) will feature traditional holiday recordings from the ‘40s through the ‘60s by artists such as Bing Crosby, Andy Williams, Ray Conniff and Nat “King” Cole.
December 1 - December 9
Radio Hanukkah (SIRIUS Ch. 76 & XM Ch. 28) will feature an extensive collection of Hanukkah music, including contemporary, traditional and children’s Hanukkah selections. Hasidic reggae musician Matisyahu will present nightly blessings and share personal stories and memories about past Hanukkahs.
December 1 - December 25
Holiday Pops (SIRIUS Ch. 79, XM Ch. 77) will feature classical Christmas carols sung by the greatest classical musicians of all-time, including the Mormon Tabernacle Choir, Luciano Pavarotti, Boston Pops and Leontyne Price.
December 10 - December 25
Country Christmas (SIRIUS Ch. 62, XM Ch. 10) will feature a wide-ranging assortment of country Christmas music, including Garth Brooks, Carrie Underwood and Kenny Rogers.