Glad you're sorted, cant say how long they'll last mine was still working when the axl snaped 6 weeks later, but its a cheep fix if you need to do it again, and yeah good idea start saving.
Replaced the wheels with Mavic E XA35 £260 the pair from bike discount de and cant fault them virtualy identical weight as the race face with a ratchet freehub, £260 for a pair of wheels with a ratchet freehub or £109 for another shit freehub!, no contest.
From what I rember the hub/frehub are made by novatech and only that freehub will fit.
My wheels were raceface aeffect and were the worst wheels ive had, the only freehub I could find was in America and would have cost £109.
Soon after repairing the freehub the axl snapped, that took 3 weeks...
Had exactly the same problem, emailed race face, they don't stock replacement springs and no bike shop in the UK stocks springs that small.
You want 2.4mm stainless steel springs from ebay, you need to cut them to length, they do sell them as small as 5mm in length but i think even they are to...