Newegg.com has the Kensington 33374 Wireless Presenter with Laser Pointer for a good price.

Make it a conversation starter before the presentation starts

Pricegrabber Price : $42.28 ~ $46.96 Shipped

1. Newegg Price : $39.99 Shipped
2. Use coupon code EMCYTZT711 to get $12 off ( Exp : 8/30/11 )
Final Price : $27.99 Shipped