There are annoyances:
1) My PC is such crap that when the Live Bookmarks alerts pops up, everything slows down.
2) The Live Bookmarks alerts tend to pop up when I want to do something.
3) 98% of what is published are things I’m just not interested in.
4) Crap, what an echo chamber out there! The same story on ten sites?!
5) Sometimes I scream STFU!!!! at the PC when the Live Bookmarks alerts happen.
Things could be worse.
Previously here:
Blog Change: RSS Widget
So How Is That RSS Thing Going?
Into The RSS Stream Again
Mike Cane’s xBlog 
I’m probably following in your footsteps – Live Bookmarks and Live Click. Find both very good. But I have Live Click set to “Do Nothing” so no alerts. I just skim through the Live Bookmarks when I feel like it. The advantage of Live Click is you get previews when you hover.
I like the simplicity over other RSS readers.
I get previews as is when I hover. They’re just text, but they’ll do. I was thinking of turning off the pop-up but decided not to.