the thing is, you lower a corolla more than 2 inches and you start to f@$k with the ideal geometry of the damper insert, so it becomes necessary to run short stroke inserts. so you don't get "ricer bounce" and you don't wear your shocks out within a few thousand km
now you can be dodgy and space your short strokes like half the idiots on toymods do, or you can do it properly and have your struts shortened. and while the spring seat is off, you may as well spend the extra <$200 and get coilover sleeves welded on, which means you need small diameter springs, negating the need for superlows in the first place
superlows are the stupid ricer spring that might make your car look good (depending on what it is and what you consider good) but ideal for handling, they ain't
personally, i think most brand name springs are too soft if you're serious about handling. if you're buying new, it only costs an extra $20 or so to have customs made up to any rate you like
so i'd just do that, and keep it at a sensible, useable ride height so you can still use stock dampers and have a good setup but keep the costs down at the same time