Brick because of it's refractory properties and because it will increase its demand *evils grin*

Brick. It contrasts very nicely with sphax and Sandstone stairs are not available =(

Supposedly, once all the bugs are fixed, someone on our dev team is going to work on bring us sandstone stairs and possibly other types of slabs/stairs.

Guys, I'm afraid neildotp is correct in this matter. It's one thing to have client mods, but custom block IDs with a vanilla client will choke horribly as soon as the ID is sent to the client (i.e., your building comes into view) and we don't have easy access to "selectively filter and replace the custom block IDs with vanilla block IDs" (nor would something like that be at all easy to implement in the server). Your best bet for this is to petition Jeb to standardize the variations (block, half-slab, double-half-slab, stairs, and fence) for the major material types (stone, cobble, claybrick, stone brick, mossycobble, mossy stone brick, netherbrick, wood, sandstone). Perhaps if someone else has already tackled this issue and has it all working, then it might be feasible, but otherwise this would be a project of several weeks or months, even with someone that was familiar with the appropriate areas of both server and client-side modding to do custom models and block ID filtering.

Buildcraft servers only work when the clients are running the exact same version of all the mods on the server-- that's part of what makes them such a headache, and requiring a custom client to play Minetown is not a route we want to go.

Mine seems to complain the construction is not quite right. There was not lava in the device when the change happened.