it all also depends on your plans for the car, if your going for the cosmetic route again the cost of coilovers may again be a little excessive, at a cost of around £1200-£1600 for the better lines fitted, where as a set of H&R's around the £400-£450 mark
as brough74 said if your on an open road they can get a little bumpy when pushing on, but not so bad i have found that it upsets the handling, it still feels very planted, the other option of course is to go for matched springs and dampers, which if memory serves me correct is still fairly expensive, but not quite as bad as coilovers, that way you get the desired drop and improved handling as well but had a chat with Damian, he will no doubt point you in the right direction with either option