Hi:Fi is a new festival that's taking over the Homelands festival weekend and the Homelands venue down in Winchester. I liked the direction Homelands was going in (lovely cross-section of music) and Hi:Fi is to continue this tradition.
The festival is going to be a two-site affair with the Northern leg happening near Newcastle and only being one day, the Southern one is a two-day festival.
Here's the site:
http://www.hififestival.com/