Hmm I'm thinking more and more that I may well do this myself. I don't need a skills assessment either and have no children or criminal record. My gut feeling is because iv already done everything by the book and I'm fortunate enough to be in the situation I am that I should do this myself and save the cash. My friend just got her citizenship and did the whole temporary-permanent-citizen herself, she said it was a big headache and would never like to have to do it again but nevertheless she did it and came out the other side.
Its just one of those things isn't it. My boss has sponsored someone before but it was years ago and I think things were a tad easier back then. Thank you so much for your responses, it's really helping me.