The Wesley Study Bible is scheduled to be released in the spring of 2009. It is being published by Abingdon Press. The text version is the NRSV. Abingdon has a sample available here, which includes the book of James.
The General Editors are Joel B. Green and William H. Willimon. Green is Professor of New Testament Interpretation at Fuller Theological Seminary. Willimon is Resident Bishop of the Birmingham Area of The United Methodist Church.