Personally i would defo go for the t3 if you are looking at tweaking the power, thet t2 runs out of puff so to sacrifice a slighlty slower of the line speed get a t3. Pulls so much stronger!
rust, show me a 10+year old Ford that doesnt. same as above keep an eye on sills b-pillars lower windscreen and rear end.
If your wanting to spend a bit on it make sure you go for one which if been modded comes with a good source of history mechanically.
Cvh engines are never the quitest make sure the oil filler is not bolted on signs of an engine about to expire.
If you want any ideas on modding one drop me a PM mate