Welcome to SRP ! For sure the stainless Dovo is worth keeping. A stainless razor is a bit more abrasion resistant and therefore a bit tougher to hone but once you get where you want to go it is fine. Haivng experiance with the plane honing may help but they are a different animal. Wipe the blade after you shave and hit it a dozen licks on the strop to clean the edge then a rust preventative should do fine. Check out the tutorials in the Wiki on the toolbar above and there are great resources to point you in the right direction. Smooth shaving and