"Updates to Portal, Half-Life 2, Half-Life 2: Episode One and Half-Life 2: Episode Two have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:
Engine
- Fixed fonts sometimes not displaying when the game is loaded (Mac)
- Fixed crash on launch in rendering subsystem (Mac)

Portal
- Optimized particle rendering for lowend GPU's, made acid pits more performant (Mac)"

"STEAM FOR MAC LAUNCH: WEEK 3
Half-Life 2 Games Deliver Cross Platform Cloud Support
May 26, 2010 - The third round of Steam for the Mac launch titles are available now. This week's collection includes the Half-Life 2 (HL2) series of games (Half-Life 2, Episode One, and Episode Two) and Eve Online: Tyranis.
Representing Steam's first day-and-date release for the Mac and PC, EVE Online: Tyrannis will be available to gamers later today, The Half-Life 2 titles available now feature cross-platform support for Steam Cloud, allowing players to save their game progress on one computer, then seamlessly resume from that save point on another computer (Mac or PC).
In addition, HL2 and Episode One have been updated to include over 40 new Steam Achievements, which are available to all owners of these titles. The HL2 games also support Steam Play, enabling customers to purchase a game once and play it on all Steam supported platforms.
To celebrate the launch of the Half-Life 2 games, the titles are available for 30% off their regular price (for a limited time).
For more information on Steam, please visit www.steamgames.com."

I already had the Orange Box (PC) and am now downloading Mac HL2/Ep1/Ep2. (Slow going so far - keep seeing 'download paused', but I expected them to be hammered today.) Also just noticed a small update to Portal.

"8GB Kits for Mac mini, iMac, and MacBook/MacBook Pros now $249.99/$199.99 *Delivered!*
We are now offering Newer Technology's NuRAM Memory kits and these modules/kits, that will be available based on prevailing market conditions, are being introduced with super incredible pricing. They are Mac tested/qualified and backed by a Lifetime Replacement Warranty.
Available for the current Apple iMac, Mac mini, MacBook, and MacBook Pro models, not aware of ANY pricing out there that is even close:
8GB PC8500 DDR3 SO-DIMM Kit (4GB x 2) now $249.99. Customers can trade in an existing Apple 4GB factory memory (2GB x 2) for an additional $50 in savings for a net of $199.99 - a net of 1/2 the cost that Apple charges at the factory to go to 8GB - $200 in savings!

See all options / confirm compatibility and also view our free Memory Installation Videos via our site guide pages.

Memory Guide for all MacBook and MacBook Pros

Memory Guide for all iMac models (up to 16GB for $495.99)

Guide for all Mac mini models

And of course, we also have memory for Mac Pros

For users that have been waiting on upgrading to see a better cost... Well, we're not nearly on parity with cost via 2GB DDR3 modules - this is a new record low for 4GB DDR3 SO-DIMM modules and kits up to 16GB with them.
Best Regards, Larry O'Connor
Other World Computing"

At this price I'm tempted to upgrade my early 09 MBP (which has OEM 2+2GB still)...

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