I bought the standard tray & plates for my Westminster BSP too. I wasn't thrilled with using the extended long tray/plates with it. The standard size makes it easier for me to use everyday.
I also recommened buying the solo platform, solo adapter & solo shim for using thin metal dies, such as Spellbinders. I looked everywhere to buy the solo platform/adaptor & solo shim, and i only found it at Sizzix.com. All the cutting plates/crease pads i have bought from Joanns on sale.
The bulk of what i use in my BSP is thin metal dies, so the solo platform/adaptor is a must have. Have fun with your BSP! I love mine!
