Figo,
Shame I seen Lexus key on ebay couple of weeks ago for just a few quid I just had a quick browse and it's gone mate,
when you do get a key contact me or just look through the topics you don't need to take the key to a dealer you can program the key yourself it's just a couple of quick procedures lexus will charge £45 plus vat to program keys frustrating when it's something you can do yourself,
I just had a service at private garage £110
Hope this helps
G