Netti Pot
I've never used one but I have a co worker that has and she LOVES it!

(For the following links you'll have to remove the space I put in after the www)

http://www .sattvahealing.com/netti-pot.shtml

http://www .cvs.com/CVSApp/cvs/gateway/detail?prodid=407054&previousURI=/CVSApp/cvs/gateway/search?ActiveCat=499^Query=Netti+pot