Latest firmware with build number I5510XWKPH has just been spotted on Kies with modified date of January 16, 2012. So, far there are two countries are about to receive this official firmware update, Hungary with CSC file I5510VDHKP3 and Czech Republic CSC I5510XEZKP2 both with same new baseband build I5510XWKP1.
I5510XWKPH Stock ROM Download: Use the ROM and Flash at your own risk, this can be also applicable and can be used in all Europe and Asian version of Samsung Galaxy I5510 for it is cross compatible with each other, except for Latin America version, South America are GT-I5510L and North America Phones are GT-I5510M. Don't ever use this ROM for it is not compatible with the 'baseband radio version'. If you'll attempt to try it, you'll gonna get any functionality issues like GPS, network connection and etc.
Hungary firmware info:
Stock ROM Download:GT-I5510_VDH_I5510XWKPH_I5510VDHKP3
I5510XWKPH - XEZ
Stock ROM Download: GT-I5510_XEZ_I5510XWKPH_I5510XEZKP2
links via sammobile.com pulled from Samsung Kies server.
Password - samfirmware.com