I'd want either:
--High-Carbon steel Katana, Clay-tempered edge, standard differential hardness of 40 and 60 HC between the sharp and the dull end, Full Tang (a must-have), folded steel (6-8 times), and preferably hand-forged. 75 cm blade length.
--72 cm blade Jian: Central Titanium Chord, Medium-Carbon Steel with high-carbon steel edges that have been water tempered (central body medium-carbon steel should be folded 2-3 times), Full Tang that connects the blade to the pommel (Tang and pommel made of 440 Stainless Steel), short red tassel, preferably hand-forged.
Those are MY dream b-day presents.
Unfortunately, I'm not your mom
Also, the katana would cost anywhere from 800-3000 dollars while the Jian would cost anywhere from 500-22,000 dollars (depending on the swordsmith). Not exactly something that most people can afford