Off site back up?

hello all!! & happy hollidays too all!!
i’m in process at my company of using an off site back up. i’ve been an avid cdfreak for a while & realy respect all that are also.i’m intrested in all that have an opinion or a suggestion or just what has happened in there jobs??
i’m looking at a new sight “my first backup” ,there using blowfish encryption??& also there own compression tool. has anyone ever used this,what are the pros & cons of this???any suggestion??
thanks in advance!!!