I think this online seminary they provide covers the basics a Western Buddhist should be familiar with. I don't know their level of student support and the options there are for consultation as these where the only extras as the subjects are very much the basics.
Compare it to the official basic training required for ordination in the Jogye Order (Haeinsa Temple Sangha College’s curriculum for the 2009 (BE 2553) year, source
The Buddhist Person I, the Buddhist Person II, Vinaya, Hinayana Buddhism, Abhidharma, History of Indian Buddhism, Understanding Western Philosophy II, Literature I, Literature II, English, Japanese2nd Year:
Understading the Prajnaparamita Sutra (Diamond Sutra, Heart Sutra, Vimila-kirtinirdesa Sutra, 8000 Poems of the Prajnaparamita Sutra, Understanding Avatamska Sutra, Introduction to the Avatamska school, History of Chinese Buddhism, Understanding Western Philosophy II, Literature III, Literature IV3rd Year:
“Awakening faith in the Mahayana,” Shuramgama Sutra, Lotus Sutra, Nirvana Sutra, History of Korean Buddhism, Buddhism Overview I, Buddhism Overview II, Literature V, Buddhist Culture, Buddhist Ceremony4th Year:
Seon Texts (Platform Sutra, Entrance to Sudden Enlightenment, Selected Letters of Master Dahui, Essence of Seon), History of Seon ideology, Buddhism Overview I, Buddhism Overview II, Graduation Thesis
By removing some subjects non-Buddhist subjects it could be a fine training for Westerners interested in Zen as most of the texts used are available in English. It is just a matter of teachers.
An interesting data from BuddhaPia: "As of February 2002, there are thirteen seminaries for bhiksus and five for bhiksunis in which about 350 bhiksus and 631 bhiksunis study, respectively." More here (NOTE: reported badware)