GT Grade Alloy 105 review - BikeRadar
GT Grade Alloy 105 is my choice for light touring. It has replaced my Bianchi Volpe as my favourite all around bike. The dropouts are tapped, but you'll need to replace the seat post clamp with a seatpost clamp with rack mount. Easily done.

It doesn't have provision for a front rack, but you said
" but I travel with only about 6kg."