A bit of information would be needed first like, what is your weight, what winds do you consider light wind, will you want this board to be used in stronger than light winds, what kite size and model will you be using, what is your current level, what is the size and model of your other board???

The Nobile Xtr is designed for lightwind and 2 sizes are offered. If you are looking for the ultimate lowend then naturally the largest size would be recommended. The Nobile T5 has a very fast rockerline and therfore it can handle lightish winds reasonably well. The largest model of the T5 is 44cm wide which could be an option as a light wind board, however if you were a very light rider then some of the smaller sizes of the T5 could also act as a light wind board.