How "greedy" is BT Vision?

Hi,
As I understand it BT Vision customers have 'quality of service' on their line which (simplistically) somehow allocates a portion of the users available bandwidth to the BT Vision box, leaving whatever is left for 'computer use'!
Now if (as in my case) my download speed is only around 1600 Kbps (which I know isn't really enough for BT Vision anyway) the situation can arise when, (at times) when there is not enough left to even 'surf the web' effectively!
My question is, if I temporarily remove the broadband connection from the broadband box, surely that should then free up all available bandwidth for computer use... or should it?
Although I am using 'Homeplugs' (and have tried both the BT black ones and also some slower Solwise ones!) I believe I am correct in thinking that these don't actually have any built in intelligence to allocate resources themselves.

I've moaned about this before
Throttling, shaping, call it what you will but it's a fact that your broadband is being slowed down by BT.
I've conducted several ongoing tests and can prove it - as can a collegue of mine who has the service on a seperate exchange.
If BT do indeed read this:
Orange are canvasing on unbundled exchanges with everything in £17.
Couple that with 3 hd discs per month on blu-ray (lovefilm) is still cheaper than one hd movie download with vision @ £4.99.
It's not looking good is it?
There are plenty of Bt fanboys on this forum who won't hear a bad word about the service but please the bottom line here is we want what we're paying for (broadband speed) or to be more honest with these "up to..7meg" examples to say actually you can get 3meg.
Finally, the only reason I haven't binned the service off is for 2 reasons.
1: The recorder and epg interface.
2: The advent of Freeview hd and multiroom (oh yes it's coming i'm told), may be around the corner.
Not unreasonable is it? Before i get shot down in flames no doubt.

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NIVISION.png ‏150 KB

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labc wrote:
I have no image basis.
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