I have just found that Archive CD Books do a CD ( http//www.rod-neep.co.uk/acatalog/lei-church.html ) Link not working containing:
Leicestershire Parish Registers - Marriages (12 Vols)
(Reference #GBR001-0016)
Place
Ab-Kettleby-cum-Holwell, 1580-1812
Asfordby, 1564-1837
Ashby Folville, 1584-1837
Ashby Parva, 1589-1837
Aylestone, 1561-1837
Barkby, 1586-1812
Barkston, 1569-1837
Barrow on Soar, 1563-1837
Beeby, 1538-1837
Belgrave, 1653-1837
Birstall, 1574-1837
Bitteswell, 1558-1837
Blaby, 1568-1837
Bottesford, 1563-1812
Branston, 1591-1839
Braunston, 1561-1837
Brooksby, 1767-1812
Burrough, 1612-1837
Burton Lazars, 1762-1778
Catthorpe, 1573-1837
Congerston, 1756-1812
Cossington, 1754-1837
Coston, 1561-1812
Croxton Kerrial, 1558-1837
Eastwell, 1588-1837
Eaton, 1724-1837
Evington, 1601-1837
Freeby, 1601-1775
Frisby-on-the-Wreak, 1659-1837
Frolesworth, 1538-1837
Gaddesby, 1569-1812
Gilmorton, 1611-1837
Glenfield, 1604-1837
Goadby Marwood, 1657-1837
Great Dalby, 1581-1812
Grimston, 1635-1837
Harby, 1700-1837
Harston, 1707-1837
Hoby, 1562-1812
Hose, 1688-1837
Hoton, 1653-1837
Houghton-on-the-Hill, 1584-1837
Humberstone, 1559-1837
Hungerton, 1614-1837
Keyham, 1568-1837
Kirby Bellars, 1713-1837
Kirby Muxloe, 1619-1837
Knighton, 1672-1837
Knipton, 1562-1837
Leire, 1559-1837
Little Dalby, 1559-1812
Long Clawson, 1558-1837
Marriages at Lowesby with Cold Newton, 1658-1837
Melton Mowbray, 1546-1812
Mountsorrel, 1677-1837
Muston, 1561-1812
Nether Broughton, 1577-1837
Old Dalby, 1725-1837
Owston-cum-Newbold Saucy, 1701-1837
Pickwell, 1570-1841
Plungar, 1695-1837
Prestwold, 1560-1837
Queniborough, 1562-1837
Quorndon, 1576-1837
Ragdale, 1668-1837
Ratby, 1695-1812
Ratcliffe-on-the-Wreak, 1698-1837
Rearsby, 1653-1837
Redmile, 1653-1837
Rotherby, 1561-1812
Rothley, 1562-1837
Saxby, 1680-1837
Saxelbye, 1555-1837
Scalford, 1558-1812
Scraptoft, 1539-1812
Seagrave, 1682-1837
Sharnford, 1595-1837
Sibson, 1569-1812
Sileby, 1568-1837
Somerby, 1601-1812
South Croxton, 1662-1837
Stapleford, 1655-1837
Stathern, 1567-1837
Stoughton, 1537-1837
Swithland, 1624-1837
Syston, 1663-1837
The Protestation of 1641
Thorpe Arnold with Brentingby, 1558-1840
Thrussington, 1660-1812
Thurcaston-cum-Cropston, 1561-1837
Thurmaston, 1719-1837
Thurnby-cum-Bushby, 1564-1837
Tilton-on-the-Hill, 1631-1837
Twyford cum Thorpe Satchville, 1562-1812
Walton-on-the-Wolds, 1568-1837
Wanlip, 1563-1837
Wartnaby, 1633-1838
Wigston Magna, 1567-1837
Withcote, 1681-1837
Woodhouse, 1623-1837
Wyfordby, 1558-1837
Wykeham cum Caldwell, 1633-1837
Wymeswold, 1560-1837
I've ordered a copy and will let you know how good the scans seem. I had a Census from them and that was very good.