I can't find anything about your old mobo. This is good and supports Crossfire, $115.00:
GIGABYTE GA-EP45-UD3P LGA 775 Intel P45 ATX Intel Motherboard - Retail
“Ferrari performance at a Mustang price” AnandTech
2x Winner of Customer Choice Award - Intel Motherboardshttp://www.newegg.com/Product/Product.aspx?Item=N82E16813128358
For memory go with what is on the qualified vendor list. Good brands are Corsair, OCZ, Patriot and Crucial.