I'll be in the same boat for insurance soon.
Insurance quotes are different for everyone, so you would still have to do a fair ammount of ringing around for the best as
it's the only real way of knowing.
I can say that a 1.6 with mods won't be cheap 'cause i'm on a 1.6sport at the minute until I get my car, and they wanted £1300 on top of the £200 my step-mam pays and I would have to pay £600 excess (fair do's I don't have my lisence yet but still..). Luckily there was a way around having to pay all that