Maybe a time limited free trial could be considered so potential customers can guage how well their PC performs and if the product justifies the price?
Yes, I think that's a good idea - especially given the initial cost of buying a Radarbox.
I'd certainly be tempted but, in the current economic climate, I'd want to be 100% certain whether my existing laptop was man enough for the job before making that extra investment! Also a chance to see whether it was viable for those of us not on unlimited data ISP plans...