So you want to break into the video game industry (you want a game biz job). First, you have to know which type of job you want -- if you don't know which you want, you need to read about the game industry and the types of jobs in it. Then you might need to make a decision. Third, you need to be qualified for the job. Fourth, you need to know how to find information and how to ask good questions (you need to not ask bad questions). Finally, we have tips for getting the job.
This is pretty good. If you can't get a game job with a portfolio like that then something is wrong with the world. There's nothing wrong with those demos at all - they show great variety and everything that matters.
If you can put videos of your first three games on...I would do that. Doesn't matter if they are your earlier demos.
I had a little trouble getting the vimeo video up as quick as the others.
I would agree the links section of your website is unnecessary given it's a portfolio, but as it's also a web page it doesn't look too out of place. I don't think its presence will really matter to be honest. I would ask yourself how much value you feel it adds and go from there with regard to a decision.
I also viewed with Chrome and got the same, vertical alignment of text problem as mentioned above.
Interesting to see your references. These have value as many people will have heard of these folk. Brian taught me C64 programming about 20 years back - there are plenty of people in the EU game industry that know Brian, so don't be surprised if that comes up in interview.