In 2008, early voting stats in NV had a D vs R ratio of 51.5% of 31.3%. This year, it’s been 47.3% to 35.9%. A 20.2% difference has shrunk to 11.4%. Obama won in 2008 by 12.5%. While NV is not out of Romney’s reach, it appears to be tilting Obama for 2012. Romney is counting on independent voters to provide his margin of victory.
2012 NV early voting stats:
http://nvsos.gov/Modules/ShowDocument.aspx?documentid=2491
2008 NV early voting stats:
http://blogs.wsj.com/washwire/2008/10/31/early-voting-suggests-nevada-victory-at-hand-for-obama/