Here, I am giving certain list of RSS directories may be useful for you..
feedster.com
pubsub.com
syndic8.com
newsisfree.com
feedsfarm.com
blogdigger.com
2rss.com
popdex.com
search4rss.com
yenra.com
shas3.com
rssfeeds.com
feedminer.com
feed-directory.com
everyfeed.com
easyrss.com
feed24.com
feeds4all.com
blogmatcher.com
rsshut.com
yourfeeds.com
feedzie.ziecom.com
scenda.com
feedtime.com
overskrift.dk
rss-locator.com