Amazon offers the Crucial 8GB PC3-12800 DDR3-1600 SO-DIMM Laptop RAM, model no. CT102464BF160B, for $38.99 with free shipping. That's the lowest total price we could find by $4, although we saw it for $2 less last week. It features a CAS latency of 11.
Amazon offers the ASUS Xonar DGX GX2.5 PCI-E Sound Card for $34.92. This $10 mail-in rebate cuts it to $24.92. With free shipping, that's the lowest total price we could find by $11. It features a line/mic input, headphone jack-detection, and headphone amp. Rebate expires July 31.