Don't know what price you're planning on paying for the Canon kit, but Camerapro are advertising the 550D with:
18-55mm IS lens - $1,234
18-55mm and 55-250mm lens kit - $1,523
18-135mm IS lens - $1,770
18-200mm IS lens - $1,935
I don't know anything about Canon lenses, and haven't looked up...