Multiple people were asking about external preview in eclipse 3.0. I had the same question and went ot the eclipse site. Here’s a post (not mine):
(Unfortunately, I have tried those steps and I got a “Connection Refused”. I guess I will still have to post there as well…)
>Hi,
>
> I just tried the Milestone 4 of Eclpse R3 and it’s great. The only problem
> that I have found so far is that the IE plugin is missing. I used this a
lot
> in R2.1 to test JSP and servlets.
>
> I saw in the news that a new HTML Browser widget was added to SWT in
> Milestone 3 but how do I use this in Eclipse?
>
Use the install wizard (Help>SoftwareUpdates>Find and Install..) try
installing the browser view from
http://dev.eclipse.org/viewcvs/index.cgi/%7Echeckout%7E/platform-update-home/temp/browserSite
(get the latest version)