dr4g0nfly has a point with the thread, but I think whatever you end up upgrading to, this will be an issue.
I recently (well,OK, about 10 months ago) upgraded to a Twister FU-200, which is sold here in the UK by Simon Hope. 16" over the bed, 28" between centres, swivel head stock, variable speed, and rock solid build. I also bought the bed extension which gives me either 32" swing or 44" between centres. Could not have spent my money any better. A very similar lathe is offered by Axminster (in fact, I suspect it's made by the same factory and just branded differently). With the bed extension you're looking at around £2k. No idea what size your bank is, but it's worth every single penny of it.