IMO, your Aksiums are every bit the equal of those Reynolds, and close to the EA90's... How about a set of Ksyriums? Or Spinergy Stealth Carbons? I've had good luck with both of those types. On my steel frame bikes, I'd got the with the suggestion above (Mavic Open Pro with quality hubs), but in 32 spoke (250 is not
that heavy..
).