A convertible vehicle tends to weigh and cost more than its hardtop equivalent. Most also lose a bit of handling sharpness and will be a bit slower against a stopwatch thanks to that extra weight.
Unless you are planning to take your car regularly to track days, the dynamic differences are hard to notice in daily driving conditions. Interior space tends to be compromised but if that isn’t a concern then the feel-good factor of drop top motoring more than makes up for any potential shortcomings.  In summary, if you want one get one!