On the verge- question on new stove

I don't think the sinks inside the Corian counter tops are Corian.  I believe they are some kind of plastic.  They will stain but add some bleach into a sink full of water gets ours looking like brand new effortlessly.

I add some bleach into water-filled sinks and toilet, let sit a bit to clean them, then drain all into the holding tanks as part of my fall disinfecting/deodorizing for winter storage in our under-the-house garage.  Disinfecting the entire waste system prevents sewer gas from forming, then getting into the house.

Another ? About this. How difficult is it to keep the Corian sink clean? I thought it was easy to scrub out stains, but I know the one we have in our bathroom the entire sink has discolored some. It's over ten years old.
I know stainless cleans easy but also scratches. 

The white sink does get stains on it but it cleans easily with a pasty mix of baking soda and bleach. I do it periodically. Our stains are mostly coffee. We use small shallow TubTrugs as wash bins when we don't have full hookups (most of the time) so not a lot of water goes into the sink bowl and food bits settle and sometimes leave marks. John is a coffee addict so lots of coffee gets dumped in there but not rinsed out right away. Most stains wash off and the tough ones get the baking soda and bleach treatment. After that it looks like new. I am sensitive to chemicals so our cleaning agents are primarily baking soda, white vinegar and bleach (with windows open to vent bleach fumes). We use little windex wipes on the mirrors and windows, Liquid Gold wipes or lemon oil on the wood and Simple Green on the vinyl floor.

As an added item, I use the same baking soda/bleach method to clean that white plate in the microwave. We bought a round silicone mat that fits it so it isn't often an issue and we NEVER bake directly on it anymore like it recommends in the manual/cookbook. The silicone lifts off for cleaning and the plate stays white.

The new sinks are stainless steel. Also, there is a pull out cutting board under the stove and the flip up counter extention can be had in either wood or matching corian.

This discussion could go on for years!!! Although the new PC is "MY" baby, DW wanted the old style sink because of the rounded edges (crud won't get lodged between sink & counter top) and stainless scratches, and the tight space in the stove.  We did have a red wine stain on the old sink, but son-in-law got it out!

I'm sure that PC would put in the old style stove top and sink without any fuss. They very good about things like this.

YES - THEY'RE DOING IT FOR US (HER!!)

Try "sanding" the Corian with Bon Ami.  It works on our LG brand solid surface counter top for stains and a couple of raised areas caused by hot lids from the oven.  They say you can use really find sandpaper but we haven't needed that.