Brilliant.
My old man once bought my mother a brown gas oven for Christmas. He thought it was a great present as she was always moaning about the one she had.
Her face was a picture when she got it. Not impressed at all, ...and she hated the colour.
+1.Why skimp & try to save money on tyre's that ultimately will make your car better in the wet which is what you where concerned with Op.
Try Funky tyres. Good prices on MPSS at the moment for forum members. http://www.350z-uk.com/topic/79362-michelin-pilot-super-sports/
If you scroll over Tarmacs name you can send them a private message via the "message button". It is Christmas though remember so things may be a bit more difficult to sort quickly. Good luck.
Got mine from Tarmac Sportz (traders on here); http://www.tarmacsportz.co.uk/GB/Berk_Technology_350Z_03-06_Metallic_High_Flow_Cats/BT1401-HFC-MET_.aspx
There was also a group buy on these giving you a substantial price reduction on there website price. http://www.350z-uk.com/topic/77581-berk-hfc-group-buy-from-tarmac/
Been ready now for a week or more. I usually wrap the presents as I buy them so that's all sorted too.
Can't wait tbh as I love seeing peoples reaction's to what I've got them.