Good to know that you are pretty satisfied with your new possession. I attribute the decrease in overall response time of 8900 to it's increased processor speed.
.174 is available for download and install. .174 looks to be very stable till now.
__________________ Regards|Raja BlackBerry FAQ Nokia 2100 > Nokia 6100 > Samsung t319 > Nokia 5300 > Blackberry 8320 > Blackberry 8900 > iPhone 3GS > iPhone 4