Another round of builds has dropped:
http://forum.xda-developers.com/show...&postcount=174
23662_MSXIPKernel_SYS_QVGA_WQVGA_VGA_WVGA_0409 AKU5306 Windows CE: 5.2 Build 4583 (May 23 2010. 15:43:41)
21907_MSXIPKernel_SYS_QVGA_WQVGA_VGA_WVGA_0409 AKU5093 Windows CE: 5.2 Build 3828 (April 8 2010. 18:37:11)
22024_MSXIPKernel_SYS_QVGA_WQVGA_HVGA_VGA_WVGA_040 9 AKU5306 Windows CE: 5.2 Build 4911 (May 18 2010. 15:43:30)
24614_MSXIPKernel_SYS_QVGA_WQVGA_HVGA_VGA_WVGA_040 9 AKU5307 Windows CE: 5.2 Build 5411 (June 3 2010. 15:45:58 )
21661_MSXIPKernel_SYS_QVGA_WQVGA_VGA_WVGA_0409 AKU5306 Windows CE: 5.2 Build 3584 (May 13 2010. 17:46:57)
23123_MSXIPKernel_SYS_QVGA_WQVGA_VGA_WVGA_0409 AKU5307 Windows CE: 5.2 Build 4154 (June 3 2010. 17:45:36)
Thanks to AndrewSh!