there are brilliant vocal tools in Antares AVox bundle. dont forget to add some chorus vocal snippets,. for main phrasing vocal i would go with dirty vocal sound, compressor on insert fx slot or nyc styled,..
if you can afford, record some of the vocals in stereo, using 2 mics..
add different verbs to different type of vocals (main phrases, chorus vocals, fx vocals, etc) with using send fx. experiment :]