Page cache problem in Newsbrowser

HI ,
I have created a page then with in that page, I have included Wide:Narrow layout . IN both part I have one newsbrowser iview each. I have updated  news item using newsexplorer, . When I preview this page , I can see the effect immediately , but when I login to portal as a user . this has not taken the effect. infact some old news exist which I have deleted. if i click on old news link. it is opening the xml edit form which it should be opened with news explorer rights. It seems very starnge.
How to remove the cache in this case .
I tried disabbling caching properties of both at page level as well as iviews level by setting client cache to "no" in the properties page. Still I am facing the same problem.
HOw to solve this proiblem
thanks
pk

Thanks fior the reply.
I have tried all the combinations with browser and even at server. clearing the PCD cache etc...
If I include my iview in a workset it refreshese immediately  actually I have included two iviews in a page which inturn has been included in a workset.
in the second case ( workset -> page ->iviews ) refreshing is not happening immediately. After 5 to 10 minutes I can see the changes. I have around 100 xml form builder project at server.. Is it because of this .
thanks
pk

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