Try these sites of nearby sanghas:

Listing of Dharma Groups and Centers in Illinois:
http://www.manjushri.com/TEMPLES/illinois.htm or
http://www.buddhanet.net/americas/usa_il.htm

Insight Meditation Retreats for 2003 in our area:
http://www.geocities.com/~madg/othrtrts.html 

Mid-America Buddhist Association (St. Louis)
http://www.maba-usa.org

Missouri Zen Center, St. Louis
http://www.missourizencenter.org 

Insight St. Louis

http://www.insightstlouis.org

Evansville, Indiana
www.mindfulsangha.com

Prairie Sangha in Urbana, IL
http://www.prairiesangha.org/ 

Prairie Zen Center in Champaign, IL

http://www.prairiezen.org/

Tashi Choling Center in Champaign, IL

http://www.tashicholingcenter.org/

Nashville, TN only 3.5 hrs away 
http://nashvillebuddhism.org/pnportal/html/index.php 

The Tibetan Cultural Center in Bloomington, IN

http://www.tibetancc.com/info/index.asp

Dharma Memphis: 
http://www.dharmamemphis.com/ 

Chicago Shambhala Center

http://www.shambhala.org/centers/chicago/

Deer Park Buddhist Center (near Madison, WI)

http://www.deerparkcenter.org/

Buddhist Resources on-line:

Access to Insight - a Theravadan treasury
http://www.accesstoinsight.org/index.html

Tibetan Buddhist Internet Radio
http://www.lamrim.com/

Tibetan Buddhist Resource Links
http://www.quietmountain.org/buddhism.htm

Tibetan Culture & Information
http://www.tibet.com/index.html

The Tibetan Buddhist Resource Center
http://www.tbrc.org/ 

The Himalayan Art Project
http://www.himalayanart.org/home.cfm 

For e-mail teachings, I found this at Amazon.com
http://buddhism-connect.org/ 

Dharmastream: Listen to Great Dharma Teachers Online
http://www.dharmastream.org/ 

Buddhist Information and Education Network

http://www.buddhanet.net/index.html

Foundation for the Preservation of the Mahayana Tradition

http://www.fpmt.org/

Free Buddhist texts and MP3 audio dharma talks

http://www.budaedu.org
       http://www.budaedu.org/en/book/

Buddhist Study: Naropa University

www.naropa.edu

Free books and on-line teachings.

http://www.lamayeshe.com/  

More free books to download.

http://www.dharmaprinting.com/  

National Groups:

IMS - Insight Meditation Society
http://www.dharma.org/ims/programs/index.htm 

Spirit Rock Insight Meditation
http://www.spiritrock.org 

Shambhala
http://www.shambhala.org 

Soka Gakkai International

www.sgi-usa.org

Zen Buddhist Order of Hsu Yun

http://www.hsuyun.org

Abhayagiri Buddhist Monastery

http://www.abhayagiri.org

Special Teachers:

H.H. The Dalai Lama

http://www.dalailama.com/

Sharon Salzburg

http://www.sharonsalzberg.com/

The Chant Room at Dzogchen Center: (Lama Surya Das)
http://www.dzogchen.org/chant/index.htm 

Rigpa Fellowship (Sogyal Rinpoche)
http://www.rigpa.org 

Pundarika Foundation (Tsoknyi Rinpoche)
http://www.pundarika.org/ 

The Bhavana Society (Bhante Gunaratana)
http://www.bhavanasociety.org/index.html 

The Dzogchen Community in North America: Tsegyalgar (Namkhai Norbu)
http://tsegyalgar.org 

Thich Nhat Hanh - Plum Village
http://www.plumvillage.org/ 

Khenpo Tsultrim Gyamtso Rinpoche
http://www.ktgrinpoche.org/index.htm 

Ven. Kirti Tsenshab Rinpoche's Uttaratantra teaching
http://www.kunkyab.org/  or LAM RIM RADIO http://www.lamrim.com/ 

Mangala Shri Bhuti - Sangha of the Ven. Dzigar Kongtrul Rinpoche

http://www.msbsangha.org/html/index.html

Asian Classics Institute (Geshe Michael Roach)

http://www.world-view.org/

Yongey Mingyur Rinpoche

http://www.mingyur.org/

Meditation Supplies & Books

http://www.zafu.net/links.html 

http://westwindcollection.com/home/ww1/index.html 

http://www.shambhala.com

http://www.snowlionpub.com/

Buddhist Periodicals

Shambhala Sun 

Tricycle

Mandala

Bodhi

Buddhadharma

The Dragon

Thar Lam

Turning Wheel

Inquiring Mind

Rightview

Shenpen Osel: This 150 page magazine can be found at
http://www.shenpen-osel.org/
All back issues of the magazine can be downloaded from this site.

Other interesting sites

The web site of spiritual teacher Eckhart Tolle

http://www.eckharttolle.com/ 

The goal of The Tibetan Photo Project is to create a voice from the Tibetan people

http://www.tibetanphotoproject.com/

Buddhist Meditative Art

http://kaladarshan.arts.ohio-state.edu/exhib/circleofbliss/index.html

http://www.pacificasiamuseum.org/buddhism/ - A terrific flash site.

http://www.dharmaprinting.com/ - The Wheel of Buddhist Terms Poster, check it out!