Tah. I have a residual worry that 30s will seem slower than the Vittoria's / contis I'm used to, but everyone does seem to rave about them - I just don't want it to be like the time I tried gravel king 32s and felt like I'd swapped to a MTB
Just take the time to get used to them, feeling slow won't make you actually slow. Compare difference in actual measured time and perception of comfort
G One - The more expensive ones are better performing but not quite as durable.