havn't read all this thread can't be bothered but if you want more then g60 it or
1.lightened fly wheel £60 ish
2.enclosed induction kit or standard box with panel filter £30-£180
3.ported polished head with inlet ports matched and throttle body depending on who you know £100-£200
4.a good service including magnecore leads 4 spark iridium plugs etc etc £140+
5. you can completeley bonkers and get the engine blue printed everything balanced basically £2000+
6.by the tsr powered engine off ebay currently £800+
7. install a 1.4 tfsi engine and remap it

or a pd 150 170 tdi lump and remap it
