Muskhin Redline Ascent 4GB (2x2GB) DDR2-1000 for $44 shipped via Amazon (only 2 left), free shipping. These are fatboys - Mushkin recommends 2mm spacing between ram slots because the heatsinks are thick & lovely.
http://www.amazon.com/dp/B001K7I5UY/?tag=tec06d-20
here they are at Newegg:
http://www.newegg.com/Product/Product.aspx?Item=N82E16820146795
http://www.amazon.com/dp/B001K7I5UY/?tag=tec06d-20
here they are at Newegg:
http://www.newegg.com/Product/Product.aspx?Item=N82E16820146795