Just using a real keyboard stand is probably the easiest.
http://accessories.musiciansfriend.com/product/OnStage-Stands-Folding-HeavyDuty-DualTier-Z-Stand?sku=450389
http://accessories.musiciansfriend.com/product/OnStage-Stands-Folding-HeavyDuty-DualTier-Z-Stand?sku=450389
