Re: Need help with speedster
Well, If you have CKC, there's Thunderbolt 2. Or, if you have CU, there's Kinetik. You could modify either of those to fit rather than make one from scratch.
Or, if you have the USPD, there's a speedster section where you could cobble together powers (maybe into a framework) and then flesh out the stats on your own.
Hope that helps.