The internet is full of great information and expertise on shooting sports, defensive shooting, hunting, and other shooting related topics. Some of the reference sites I use most often are:
www.shootsharp.blogspot.com - my commentary on shooting, firearms and your questions about learning to shoot well.
www.genitron.com - an excellent comparative guide on handgun types, calibers and models. A great aid in making a firearm selection.
www.a-human-right.com is an excellent site on the rationale for self-defense,
www.corneredcat.com Designed by and for women, the Cornered Cat provides a lot of very useful information for anyone planning for use of firearms as a self defense tool.
www.floridashootersnetwork.com Great bunch of folks in the sunshine state with a ton of information on shooting down here.
www.pafoa.com - a discussion forum on firearms ownership and us in Pennsylvania including lots of useful reference information.
http://floridaconcealedcarry.com Florida Concealed Carry Forums is a great discussion forum for concealed carry laws and practices.
www.thehighroad.org - The High Road is one of the best sources of information and discussion on shooting, firearms and related topics. It's also a great place to get to know others that are interested in shooting.
www.acsha.com for details on the Adams County Sport Handgunning Association, including directions to the range and information on membership, range use and scheduled activities.
www.cfrpc.com for details on Central Florida Rifle & Pistol Club, including directions to the range and information on upcoming activities.
www.defense-training.com is John & Vicki Farnham's site on all aspects of self-defense using firearms. John is a world recognized expert.
www.floridafirearmslaw.com - the website that connects to the blog and sells the book of the same title by Jon Gutmacher, a lawyer well know for his comprehensive, in depth understanding of how Federal, State and local law is applied in Florida. I highly recommend his information for any concealed firearms carrier in Florida.