I did test drive a 170 bhp and i was impressed with the power for a derv.
I can see what you mean by small as i need the seat back there is no room for anyone in the back.
Ive been looking at ones around 06-07 plate.
http://www.autotrader.co.uk/classifi...61px?logcode=p
That kinda one. At near 50 MPG and 0-60 8.2 seconds (on paper) also then i hear of remaps to 200 BHP it does seem like a car to go for.