I'm definitely not tired about steampunk! Think it's great style and something original in games... Of course a mix of some "lovecraftish" fantasy stuff with steampunk could be really cool... Very interesting.
There have been quite a few, some of them recent. The indie and mod space seems a little obsessed with SteamPunk at the moment (although still not as much as the 'realism' or 'zombie' fetishes.
I'm also somewhat tired of steampunk - I'm with the Biosphere - so long as it's not too 'generic sci-fi'. Edit: You could try an interesting twist on it - it's all too obvious to have a big industrial dome full of foliage. What about something where this is a bit flipped? Consider global warming going too far in future,…