The Cubis and Cubis Pro are both top fill with MTL SS coils available. Some people have had issues with them though with spitting and flooding. Their design doesn't let them leak though as they don't have the bottom airflow holes.
Check out the Vaporesso Drizzle. I have a couple other options too but not with SS.
As for talk about the Cubis and Cubis Pro, I'd avoid the Cubis, but can definitely recommend the Pro for MTL - avoid it beg time for DL though.
Hmmm... I'm vaping a DIY Raspberry Custard 30/70 PG/VG in the Cubis w/.5ohm SS coil in TC @ 25w/450F DL, airflow wide open as I type. Working fine as always. Great flavor, plenty of vapor...
My better half & I have 4 in rotation, 6 more in the stash along with a few hundred coils. I guess we're the luckiest people on earth. Looking back, oh well nevermind, that definitely ain't it. Before switching to DL a little over a year ago, we used the SS 1.0 ohm MTL in power mode @ 17W, airflow almost closed, if memory serves. Nice MTL vape, no issues over 3 or so months. We're still using the original tanks and have gone through numerous coils, never a dud. Tanks were purchased from multiple vendors & coils from FastTech. For a good bit less than a $20 bill, we're more than satisfied. Of course, YRMV...
Cubis Tank @ a great price.