I fly with the Sagem screens and I think they are worth it..
super reliable.
cheap spares.
looks modern and professional.
approaching limits the bars change colour to warn.
wind speed and direction arrow on screen
dalt + accurate oat on screen
if you can afford it do it, there will be a return on the investment on resale also you wont be changing intermittent, inaccurate, sticky, illegible, noisy, leaking guages that clutter up the dash any more.
this is the way of aviation in the future so if you or your boss can afford it... why not?