I was getting a site review over in the site review section when the topic of opening new windows came up. I have a couple links at the bottom of my page that open in new windows and some members felt it was wrong to do so.
Janeth, I'm with you on this one. Almost all of my end-tier internal links, and all of my external links open in a new window.
The experienced web user will have no problem with either allowing this, or right-clicking and selecting 'open in new tab' for FF and IE7. For the newbie, it can be more confusing to click as you describe, and end up half-a-dozen clicks away from the resource they really wanted to check out.
While the proliferation of webpages may confuse the new browser, it is easier to close an unwanted page than to try to reverse navigate to the page which initially attracted the interest. The experienced browser may well want to compare the merits of the various pages which have loaded ( in my case I deliver guitar transcriptions, but also link to other sites which may have a better version than my own ).
Basically, I believe this approach says 'Check out my content, here are some alternatives - if you find what you want out there, that's great, if not, cancel those windows and hopefully I can still help you when you return to my website.
Off-topic Janeth, but I'd love to know how your MySpace experience is progressing??