1) What are the good philology books? I've got Sihler, and I understand that it's fairly good/authoratative/reasonable (and expensive...). What are the other important works? How do they differ? Are they worth obtaining?
2) How exactly is philology taught? At universities as part of classics courses I would imagine, but otherwise? I have no idea. All I know I've picked up by browsing Sihler (a fascinating past-time... can take up hours)
And what are your backgrounds in this subject (Paul, Ptolemaias, Annis et al?)