I don't believe you will find any more maintenance issues with a flat, solid lifter set up as you would with a roller, solid lifter set up. Plus, the roller will allow you to run a much more aggressive cam profile and will not require high
zinc content oils or additives. I think you will get everything you want and more with a roller cam and lifters.
I say do it and don't worry about the non-solid comments. I had a solid roller in my GT40 and coupled with the 180 degree exhaust set up, it was a real badass!