What card do you have fx? On my tnt2u, I got 5 more fps in q3, and diablo 2 seemed a lot smoother. After getting my Geforce 2 MX board, diablo 2 became really jumpy.
Asus P9X79-Deluxe, Intel i7 3930k @ 4.2Ghz, 16gb DDR3-1600 Kingston HyperX Memory, Coolermaster Storm Trooper case, Corsair AX850 psu, Zotac 970 GTX 4gB, Corsair Model H100 w/c, Samsung 840 Pro 512gB SSD, Asus Blu-ray Writer 12x, Windows7 Pro x64
MSI GS Series GS60 Ghost-003 Gaming Notebook 15.6", Intel Core i7-4700HQ 2.40GHz, 16GB Memory 1TB HDD 128GB SSD, NVIDIA GeForce GTX 860M 2GB, 4.36 lbs.