You will have a difficult time getting the grey UI back, but the Velious UI has been emulated fairly well. The Velious UI can be found here:
http://www.project1999.org/files/veliousuiv3.zip
A reproduction of the classic UI was in the works, but it appears it went down with MegaUpload:
http://www.project1999.org/forums/showthread.php?t=3680
As for titanium, you could utilize those burned ISOs you kept of your EQ:Titanium disks and then you wouldn't need to pay anyone for freeware (the EQ client).