Thanks for the prompt response.
Forgot to mention the switch in question is older Cisco switch:
Switch Ports Model SW Version SW Image
------ ----- ----- ---------- ----------
* 1 28 WS-C2970G-24TS-E 12.2(44)SE6 C2970-LANBASEK9-M
QUESTIONS:
1. what page should I be looking at on the pdf?
2. what exactly do you mean by intra vlan traffic?
3. Overall what is your feeling regarding SRX650 being the only solution?