Anyone have any favorite cycling shirts?

I bought my mother in law the Terry "Ride like a girl" T:

http://www.teamestrogen.com/products.asp?pID=17009

And, I just found this one, which is also awesome, but limited in size selection unless you fit their womens tees or size 2X unisex:

http://www.threadless.com/product/562/Infinity_MPG