i have received "high CPU load" notice from my host "help

[DoctorX]

hi
today i have receive email from my host:

Your hosting account mstudent has been warned due to high CPU usage - it has reached the limit allowed by your hosting plan.

Your plan is allowed to use: 4.5 % CPU average.
Your account has used: 4.56 % CPU average the last 3 days.

Your account will be automaticaly blocked if you use more CPU load than your plan is allowed in the next 48 hours.

If you have any questions please open a new support ticket from the Help section of the Control Panel.

regarding my forum:
my daily visits= 2500 (google analytic)
average online visiters= 70-160
new posts daily = 500-700

i didn't use plugins...

what i should do, moving to another shared host? or upgrade to vps?
my site :http://www.studentsharez.com

waiting you reply ...

DoctorX Reviewed by DoctorX on 18th Sep 2010. i have received "high CPU load" notice from my host "help hi today i have receive email from my host: regarding my forum: my daily visits= 2500 (google analytic) average online visiters= 70-160 new posts daily = 500-700 Rating: 5

[EsotorisK]

Upgrade to VPS then

[DoctorX]

do you mean that no shared host can sustain my forum?

[ZeroAT]

You should ask Dlow, He has some good hosting and may be able to help you out.

[DoctorX]

i'll see what can i do..
thank u