Why not just get a 180, almost as much power as the T16 but is more drivable in everyday traffic.

I have a 180bhp in my maestro and it is fun but for going to work or the shops I'd chose my ZS.

have a read of this as i asked the same question a couple of weeks ago mate

http://www.themgzs.co.uk/vb/showthread.php?t=21157