Apache Spiking (Paying for a fix)

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Ok so I've had this problem from 4.1.12 to 4.2, my Apache CPU usage is spiking weirdly (Like 6 people connecting = a denial of service)

I've moved servers (first was a 1.8Ghz Dual core AMD with 6gb ram, current is a 3.4Ghz i7 with 2GB ram (manages slightly better obviously) but still unusable.

The plugins I have installed are:

I'm leaning toward it being a shoutbox problem, but I've used multiple shoutboxes including vbshout and inferno, all of which work perfectly on other sites.

If anyone is willing to help me out, I'm more than willing to pay you