Hi, I was told I have 'markers for' limited scleroderma but that this doesn't mean I have the actual disease - but will i, eventually?

Discuss with MD. There is a panel of autoantibodies that are strongly associated with many connective tissue diseases that are thought to be due to autoimmunity. Systemic sclerosis has several markers that can help us stratify patient's risk for systemic versus ltd disease. I would recommend going over these markers with your md (ana, scl-70, anticentromere, anti-rnp, anti-thrnp, anti-pm-scl, anti-rna poly i/iii..).
Guess. Serum markers are a chemical guess. They are present in variable percentages in disease states. Treat your HTN and reynaud's. Perdiodically do an echocardiogram.