I might have a "bad" PC by today's standards, but the game runs fine in 3-D mode both on the map and tactical battles. No lag or slow down and has been relatively stable (especially considering it's a beta)
Specs:
DirectX Version: DirectX 9.0c (4.09.0000.0904)
Operating System: Windows XP Home Edition (5.1, Build 2600) Service Pack 2 (2600.xpsp.051011-1528)
Languages: English (Regional Setting: English)
System Manufacturer: HP Pavilion 061
System Model: ER890AA-ABA a1410n
BIOS: Phoenix - AwardBIOS v6.00PG
Processor: AMD Athlon(tm) 64 Processor 3800+, MMX, 3DNow, ~2.4GHz
Physical Memory: 2046MB RAM
Page File: 1040MB used, 5973MB available
Windows Dir: C:\WINDOWS
Display Info
Display device 1:
Device Name: \\.\DISPLAY1
Card Name: NVIDIA GeForce GTS 250
Manufacturer: NVIDIA
Chip Type: GeForce GTS 250
Current Display Mode: 1280 x 1024 (32 bit) (70Hz)
Sound info
Sound device 1:
Description: SB Live! 24-bit External
Default Sound Playback: Yes
Default Voice Playback: Yes
Hardware ID: USB\Vid_041e&Pid_3040&Rev_0100&MI_00
Manufacturer ID: 65535
Product ID: 65535
Driver Name: usbaudio.sys
Provider: Microsoft
Driver Version: 5.01.2600.2180
Driver Date: 8/3/2004 19:07:56
Type: WDM
Other Drivers:
Acceleration Level: 3
Cap Flags: 0
Min/Max Sample Rate: 0, 0