I always taste my spent starter after I decant it off the yeast...I figure if it doesn't taste terrible, then it's a good indication that the starter was healthy and clean...
Packaged: Heady Topper Clone (killed during AB's craft bashing SB commercial...), Graff, Basic Spiced Cider
Recent Meads: Mead Day '11 Ginger Metheglin, Mead Day '12 Traditional (orange blossom) Mead, Simple Cyser '12
Primary: Wild Cider, Simple Cyser
Secondary: Why do I keep this line here...?
Bulk Aging: Cocobochet
Planned: Hop Metheglin #3 (NZ hops), Trad. Gesho T'ej