CCP would not abandoning their older hardware users in the next expansion. Here is the news from the Dev Blog.
" On March 10th, after the Apocrypha expansion, having a graphics card that supports ShaderModel 2 will be the minimum to run EVE. This means GeForce FX (5 series) or ATI R300 (9500, x300) or compatible. EVE Classic will be replaced with EVE Premium Lite. There are no plans to change the specifications further this year."
To read on the details.