Anyone experiencing performance loss after recent patches?

[Vanu Playa]

I have recently noticed that after the last few rounds of patches that the game plays much worse on my system. My specs are as follows"
AMD Athlon X4 965 processor
8GB RAM
NVidia GTX 560Ti graphics card
Battles used to be really smooth and fluid, now if I am riding in a Magrider into battle its like watching the game as if it was playing on flip cards. I know we are still in beta, but is anybody else having issues like this? I appreciate the feedback,
Jon