The following sites are very relavant and interesting for learning NMR spectroscopy. If you have time, please go to visit them.

http://www.cem.msu.edu/~reusch/VirtualText/intro1.htm

http://www.cis.rit.edu/htbooks/nmr/

http://orgchem.colorado.edu/hndbksupport/specttutor/tutorial.html

http://www.chem.queensu.ca/FACILITIES/NMR/nmr/webcourse/index.htm