If you can afford it I would recommend the EVOs, if you want the light kit I guess you will want the G2c version:
http://diabolomoves.co.uk/diabolos/store/comersus_listItems.asp?IdCategory=102If you click on the diabolo it sends you to the link where you can but the light kit for it.
The EVOs are definitely the better choice, suns are really heavy so adding a light kit would only make the problem worse, plus it's a pretty old design for a diabolo.