Amazon has Wii to HDMI Converter with HDMI Cable 6 ft $12.99 [amazon.com]
coupon code : W9TBVWWJ
*Video and audio in full digital HDMI format, no transmission loss! Works with DVI monitor. Hassle Free! Plug and play as you go.
*Supports all Wii display modes (NTSC 480i 480p, PAL 576i). LED indicator shows current display mode and status.
*Best buy for great display quality and limited budget! Automatic recognition conversion 720p or 1080p. HDCP compliant.
*The extra 3.5mm audio socket lets you connect headphones or speakers, so you can enjoy games at night without worrying you will disturb others.
*Attaches to the Wii's standard video port and a standard HDMI port; Convert your Nintendo Wii to an HDMI compatible device with 3.5mm Audio.