unclehorse: In reply....
My download speeds were resolved today after a Chorus Tech spent time out on the street and informed me that this problem was not anything to do with Slingshot but with Telecom.
As expected and as I have thourght the big boy is doing everything he can to make life difficult for the other players in the game.
My download speeds are back to what they were before,blazing fast.
The golden rule "He who holds the gold makes the rule" and Telecom are obviously still packing.
So basically you had a line fault/issue, it happens old stuff wears out and breaks over time... then Chorus fixed it for you.