Valve has labelled PS3 "the most open console" on the market - following a deal with Sony to bring both Portal 2 and features of its Steam service to the platform.
Valve head honcho Gabe Newell appeared at the Sony E3 conference yesterday in Los Angeles to break the news. He shocked attendees by claiming that the PS3 edition of Portal 2 was the best console version available.
However, having failed to get its Steamworks service onto Xbox 360, it appears Valve's affections may be shifting.
"We're a huge fan of open platforms in general," Valve's Erik Johnson told CVG today. "That's something that we feel like is the right thing for customers. The PS3 looks like the most open of the consoles right now.
"Fundementally, we want all of our customers to be able to interact with each other - especially with a game like Portal 2, where people want to tell each other about Portal and have fun together.
"The work we're going to do on Steam [on PS3], feature-by-feature, we don't know exactly what that's going to look like today. But we want to create that same kind of thing on PS3 [as we have on PC] - where people can talk to each other, know what they've played."
When we asked how long ago Valve decided to develop for Sony's platform, he added:
"In terms of timing, it was a while ago. The thing for us that made it make the most sense was talking to [Sony] about Steam.
"We shipped Team Fortress 2 on PC and the Xbox. We shipped over 120 updates on the PC and we've shipped less than five on the Xbox. That's something that we feel like we've done a pretty poor job on and we don't know how to fix it.
"There's problems with shipping that many updates on the 360. For us, we kind of need to solve a problem with PS3 customers and hopefully Portal 2 does it.
"We want to make sure we're doing it right and they're gettin the kind of value welike to provide to our customers. We're not interested in giving them a less than stellar experience."
And in big news for PS3 fans - especially those that want to see the likes of Left4Dead on the platform - Johnson told us that older Valve titles could now be migrating onto Sony's device.
"Sure, it's possible," he said. "We're focused on Portal 2 right now though."
Can't blame them. It looks ace.
The game's out on PC, PS3 and Xbox 360 next year.