The Proq Frontier can handle that, they quote.." Easily catering for up to 12 hungry people," another big thing to take into consideration is size, I have an offset and believe me they do take up a lot more room than a bullet. You ask about uping your money, £300 will buy a top market bullet.
Ditto as well with.. @hoogl I'm cooking ribs today, and they will do for tomorrow as well.
Ice.