Well, here's the index http://www.themodernantiquarian.com/site/523

Personally, I'd recommend (probably obviously) the Rollrights, Uffy poppo & Waylands, but then:

The Hawk Stone
http://www.themodernantiquarian.com/site/578

The Hoar Stone (at Enstone) or Old Soldier
http://www.themodernantiquarian.com/site/3486

Churchill
http://www.themodernantiquarian.com/site/3742, http://www.themodernantiquarian.com/site/4554 (+ http://www.themodernantiquarian.com/site/5718)

Lyneham longbarrow
http://www.themodernantiquarian.com/site/59

Thorstone at Taston
http://www.themodernantiquarian.com/site/579

and Lambourn Sevenbarrows if you go down Uffington way http://www.themodernantiquarian.com/site/61

love

Moth