If you are needing an upgrade, but the prices of a 939 cpu put you off, you might want to check out this review of a relatively inexpensive Socket 754 solution. Decent overclocking and great game performance doesn't require a fortune.

Quote: "We've just posted a review of Abit's K8T800 Pro powered socket 754
motherboard, the K8V Pro. The K8V Pro is a value priced Athlon 64 mobo,
with a fairly complete feature set and excellent selection of
overclocking
and monitoring options..."

Here are some more Motherboard reviews from around the web:

SRC="http://www.pcper.com/site_gfx/icon-mobo-small.gif" ALT="Click Here to go to
Motherboards" border=0>  
MOTHERBOARDS

• Intel 925X/915G Motherboards and CPU's review @ Bytesector
  
• Gigabyte GA-8IPE1000 Pro2-W @ Legit Reviews
  
• Asus P4P800 SE Motherboard Review @XYZ Computing
  
• Epox 8KDA3+@Digital-Daily
  
• DFI 865PE Infinity @ HardwareZoom
  
• ASUS A7N8X-E Deluxe WiFi @ Hexus.net
  
• MSI KM4M-L Micro ATX @ ExtremeMHz
  
• Soltek EQ3801 nForce3 250 @ SFFtech
  
• ABIT AS8 @ TrustedReviews