That shouldn't hold you back... much.
You can load Windows on Macs. If you have OEM software kicking around, you'll be fine. 2nd hand, or refurbished Macs + OEM's = very little training. The setup can be a bit tedious -due to Windows loading methods- but the Apple Shop can usually help you or your IT person out. When new software and/or hardware is introduced in a work environment, there's always a bit of down time so it's not a 'Bad idea'. You'll still be subjected to the usual foibles of the MS world (viruses, malware, etc.) but your machine maintenance should reduce dramatically.