The ultra-fine wide-margin Bible from R.L. Allan is now in stock at Bibles Direct in the UK. They look to be among the best wide-margins in print.

Some of the features include:

Epistle Dedicatory and Allan Royal License
Center column References
Chapter summaries
3 Dark Blue Ribbon Markers (Highland Goatskin) or 2 Red Ribbon Markers (Italian Calfskin)
Leather Lined
Smyth sewn
Full yapp, gilt line inside, red under gold page edges (Highland Goatskin) or semi yapp, red under gold page edges (Italian Calfskin)
10 point Bold Clarendon type
Italicized for inserted text
Same pagination as regular size Brevier Clarendon editions
8.5 x 7 inches (width = 1.5 inches)
1 inch margin
1536 pages
16 pages Oxford Bible maps
26 page for notes
48 pages of lined writing paper
Writable India paper

If the Longprimer is any indication, the Oxford wide-margin from RL Allan will be have outstanding quality and will be a Bible to keep as a life-long companion. You can order your copy here: