I think the turnaround can be faster than a day — a day for C41?
E6 (Tues, Thurs) is 1.5 hours, +60 for any proofing.
The fine art papers they have there are extraordinarily good, though delicate. The warmtone gold fibre stock by Ilford is beautiful; I'm very partial for it for the atmospheric effects of pinhole images.
Are you doing your own scanning or getting the to do it? Get file specifics from them to save being hit with extra costs.