Kevin Goldstein of Baseball Prospectus has a chat session up right now. He is the BP prospect maven, and thus fielded mostly prospect-related questions. Some interesting stuff there to check out...
Also, Keith Law ranks the farm systems in the majors, with the Rangers checking in at #26.
Update [2007-1-26 16:36:39 by Adam J. Morris]: -- Keith also answers a couple of follow-up questions on his Rangers rankings here.
And Ask BA has a new column up, including some thoughts on Yusmiero Petit, the former Mets prospect that Rangers fans have talked about targeting in the past.