Fry's Electronics offers the SIIG DisplayPort to HDMI Adapter, model no. CB-DP0062-S1, for $15.99. Redeem this $11 mail-in rebate to cut the price to $4.99. Choose free in-store pickup to dodge the $1.99 shipping charge. That's $16 under the lowest shipped price we could find. It supports multi-channel digital audio.