As above, comps are very good and you really don’t save much weight with revs/supercomps so unless you’ve already got superlight hub and rim I wouldn’t bother.
Added to that, Revs in particular are bad spokes for your first build – they twist lots more than comps which can make it a lot trickier if you’re starting out.
FWIW, I don’t think revs are noticeably more flexy once built up well.
And finally, don’t get het up about using DT – I’ve found Sapim and ACI just as good. These ACIs are just as good as comps IME and bargin price here: http://www.sdeals.com/oscommerce/product_info.php/cPath/35_54/products_id/326