When you look at the sites that you go to on a daily basis or the RSS feeds that you read you may notice that the most popular bloggers are more then words on a page. no the top bloggers are real people and that reflects in everything that they write.
There is now although there probably always was an interest in people. It is often said that the most read part of newspapers is the opinions section. The reason thath this is interesting to people is becasue where in a paper you only have stories with facts in the opinion or editorials section of a paper you actually get the passion that individuals have instead.
So read through some of your favorite bloggers and see what they say and how they say it. Darren at Problogger seems to be a friendly family guy that enjoys photography. Jeremy at Shoemoney is always stirring the pot. Robert Scoble is interested in technology and gets to do a lot of photography but is still not to much of a geek so you can still stay interested in what he has to say.
John Reese gives us a great example of just opening up and saying what he thinks is right from a marketers opinion. Being on Twitter a lot of people follow John Reese and he once posted on there to watch your message, then after Mashable mocked him he retaliated and now on the eve of Traffic Secrets he has a goofy picture on Twitpics that makes him look like just another guy that we can all relate to. All of these are different aspects building an online persona.
So sure you can have opinions but it is even better to build your entire self out to the internet. What are your strengths, weaknesses, personal ticks, how do you think? What do you do? The internet is about so much more than facts, in this day it is more important to stand out by laying out who you are as a person.
Start to build yourself up and your readers will have a much better time following you because they will read from your voice instead of their own.