hi there people my car went into the garage today and unfortunatlly the head has gone and need a new has gone to sever to be skimmed im afraid

so would i be better off gatting a tage 2 head next. and wer could i get onwe from and prices..... also the rings ave worn and the bores have seen better days so the mechanic said a rebore is in order als o could i have some prices on mild bottom end builds please thanks