hiya,just looking to the future and aware i need to buy new ballasts also thinking of changing reflectors if my diamonds still have hot spots,after my latest run,was wondering if anyone is using those gavita pro-lines 1000+w adjustable to 600w digi with the phillips lamp? and are people happy with the gavita also how cooler are peoples rooms after fitting a gavita compared to before when using hids..£500 at greens for the 1000w,any advice appreciated,,thanks peace and regards s2