Come on, my United Methodist, Free Methodist, African Methodist Episcopal, Christian Methodist Episcopal, Wesleyan Church, and Nazarene friends - along with all others who share the Wesleyan tradition - let's put this over the top.
In addition, anyone interested in Church history, theology, the 18th Century, would benefit from reading John Wesley's wisdon and insight.
Why would a Calvinist want Wesley? For the same reason I love Calvin, Luther, and Spurgeon. The man had a heart for God and made a difference for Christ in the world.
There are signifcant sections of John Wesley's Journal that have never before been available in Logos Format, and which are not in the Jackson edition of his works. If you own the Jackson edition of Wesley's Works in Logos format (the old Ages program), you can get a discount on this collection.