Are PDA screen protectors generic, one size fits all?

I wonder if all 3.5 screen PDAs are the same thus compatability are the same with protectors, regardless if it's made for Palm or Windows Mobile? I have a Toshiba 355 which I'd like to get protectors for, but really wish to pay as little as possible since I've read people using makeshift ones from household products, i.e surran wrap, etc.

Feedback?

Thanks

Here you go

your screen is the same size as the e310/330.

I've used freescreenprotectors.com screen protectors on several differnt PDAs and thought they were well worth the investment.

I've also read (and seen) people using a certain brand of Scotch tape (don't ask me which one, but it is very very clear) on the graphiti area of their palmOS PDA's.

This, of course, is of little help to the PPC crowd or some PalmOS pdas with virtual graphiti areas.

I definitely recommend using a screenprotector, but read up on some reviews to figure out which one would be best. They do affect the clarity, and can add a glare problem if you don't get a good one.

I am new to the PDA thing but I have heard VERY good things about Boxwave screen protectors.
Boxwave