CL 5 to CL5 hybrid

[mgaidia]

Hi, Happy holidays /new year.
On CL5 Is it worth upgrading from the 2.6.18-408.8.2.el5.lve1.1.65.3 to Hybrid kernel-2.6.32-379.14.1.lve1.1.9.9.el5h ?
Are there any real significant benefits to upgrading ?
How stable is the current hybrid?