If I had a scope like yours, I'd probably go for something like the University Optics Königs: 40mm MK-70 for wide views, 25 MK-70 for low-mid power deep sky, 16mm for mid-high power. And to top it off, a set of HD orthos (7,9,12,18mm) for planets and smaller/fainter DSOs (galaxies, planetaries). Nice.
Frontier Optics sells UO stuff:
www.frontieroptics.com. See also:
www.universityoptics.com.