Here are 7 also rans that I've ehard recommended for inclusion in Top 20. Anyone want to make a case for or against these, and at the expense of which other rivalries?

S5 - Clay vs Helen (vs Ted?)
S5 - Shii Ann vs Sook Jai
S9 - Chris vs the Women
S14 - Dreamz vs Lisi & Horsemen

BB3 Danielle vs Roddy
BB5 Nakomis & Diane vs the Horsemen
BB9 Natalie vs James