Plus Prodigy, Bloc Party, Vampire Weekend to play first day of events
NME.COM will be bringing you live coverage of the three-day bashes.
The Reading Festival Republic stage will be headed up by The Blackout. Bring Me The Horizon, Atreyu and 65daysofstatic will play before them.
NME.COM will be coming live from both the Reading And Leeds Festivals sites this weekend (August 28-30). Stay tuned to NME.COM/festivals for news reports, blogs, video interviews and photos from the event.
Plus have your say on this summer – fill in the annual NME Festival survey now to cast your verdict on 2009, and tell festival chiefs who you want to see next year.