Need an extra-large mouse mat? I mean ridiculously large? A company called Glorious PC Gaming Race might have the perfect solution for you then. The 3XL is over 120 cm wide and 60 cm tall, so you don't need to worry about the mouse pad not being large enough for those extra-large swipes.
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips